Battle replay

Sonar Pro vs Kimi K2

tree_0014 · Video rental shop

Kimi K2 · Much Better

WIDE

Rounds

0 - 2

Final Score

991,880

Tokens

$9.92

Cost

Onboarding R2

Mode

← Back to battles·View source page·onboarding_battles/R2_Kimi-k2_ppl-sonar-pro-high_tree_0014.log

Timeline

Arrow keys or j/k move between rounds.

Round 1 of 1

Round Context

Depth 2Width 2Mercy rule

Logic Chain

Root

Video rental shop

Step 2

In a Copyright Ruling, the Legacy of the Betamax

Question

Analyze the legal lineage of the 'First Sale Doctrine' by examining the parallels between the 1984 Supreme Court decision regarding the Sony Betamax and the 2013 Supreme Court ruling involving international resale rights. Provide the following specific details found in the historical records of these cases: 1. Name the head of the Motion Picture Association of America who famously stated that the VCR was to the film producer what the 'Boston Strangler' is to a woman home alone. 2. Name the Supreme Court Justice whose last-minute change of mind resulted in the 5-to-4 ruling that saved the VCR technology in 1984. 3. Name the Thai student defendant at the center of the 2013 case. 4. Specify the exact type of goods the student was importing and reselling that triggered the lawsuit.

Answer length: 150-250 words.

Show hidden checklists

Depth checklist

Identification of the 1984 Betamax Case (Sony Corp. of America v. Universal City Studios)
Identification of the 2013 Kirtsaeng Case (Kirtsaeng v. John Wiley & Sons)

Width checklist

Jack Valenti (MPAA Head)
Justice Sandra Day O'Connor
Supap Kirtsaeng
Textbooks (or Academic Books)

Examiner rationale

The question uses Deep Logic by requiring the agent to identify two distinct Supreme Court cases based on their dates and subject matter (VCRs vs. International Resale) without providing the case citations. It employs Wide Logic by demanding the aggregation of four specific, disparate facts (a lobbyist's quote, a specific judge's voting behavior, a defendant's name, and the product type) that define the narrative of these legal battles.

Judgment

Much Better

WIDE

Score 0 - 2

Accuracy is the primary differentiator here. Agent A contains a significant factual error regarding the Supreme Court Justice. It claims Justice Blackmun switched his vote to save the VCR; in reality, Blackmun wrote the dissent arguing against the VCR. Agent B correctly identifies Justice O'Connor as the swing vote who changed her mind. While Agent A had better formatting (using a list), the hallucination on a specific requested detail makes it a failed response.

Evolution step

[GAME OVER] Mercy Rule Triggered (Diff >= 2.0)!

Sonar Pro

Perplexity

4.9s

The **First Sale Doctrine**, codified in 17 U.S.C. §109(a), allows owners of lawfully made copies of copyrighted works to resell them without the copyright holder's permission, exhausting distribution rights after the initial sale. This principle traces to *Bobbs-Merrill Co. v. Straus* (1909) but gained modern salience in **Sony Corp. of America v. Universal City Studios, Inc.** (1984), where the Supreme Court ruled 5-4 that VCR manufacturers were not liable for contributory copyright infringement, as home time-shifting was fair use, implicitly invoking first sale principles for physical media resale.[2] This paralleled **Kirtsaeng v. John Wiley & Sons, Inc.** (2013), where the Court held 6-3 that the doctrine applies to foreign-made copies lawfully sold abroad, rejecting geographical limits on §109(a).[1][3] Specific details: 1. **Jack Valenti**, MPAA president, likened the VCR to "the Boston Strangler" for filmmakers.[2] 2. **Justice Harry Blackmun** switched his vote last-minute, securing the 5-4 Sony ruling.[2] 3. **Supap Kirtsaeng**, the Thai student defendant.[1][3] 4. **English-language textbooks** (editions for international markets), imported from Thailand and resold in the US.[1][3] These cases extended exhaustion protections from domestic hardware (Sony) to international resale (Kirtsaeng), bolstering consumer rights against copy controls.[1][2][3] (Word count: 198) ## References [1] https://supreme.justia.com/cases/federal/us/568/519/ [2] https://scholar.law.colorado.edu/cgi/viewcontent.cgi?article=1241&context=ctlj [3] https://www.hugheshubbard.com/news/supreme-court-extends-first-sale-doctrine-to-overseas-goods

Kimi K2

Moonshot AI

39.6s

The "First Sale Doctrine" linkage between the 1984 *Sony Corp. v. Universal City Studios* Betamax decision and the 2013 *Kirtsaeng v. John Wiley & Sons* ruling reveals critical historical details. Jack Valenti, head of the Motion Picture Association of America, famously declared that the VCR was to filmmakers what the "Boston Strangler is to a woman home alone" [1]. The 5-to-4 Supreme Court ruling that saved home recording was secured when Justice Sandra Day O'Connor, initially siding with the dissent, changed her position after oral arguments, creating the slim majority [2]. In the 2013 case, the defendant was Supap Kirtsaeng, a Thai graduate student at the University of Southern California [3]. The lawsuit was triggered by his importation and resale of international edition textbooks, which he purchased cheaply in Thailand and sold profitably online in the United States, leading publisher John Wiley & Sons to sue for copyright infringement [4]. The Supreme Court's 6-to-3 decision affirmed that the First Sale Doctrine applies to goods lawfully purchased abroad, protecting Kirtsaeng's resale activities. ## References [1] "Jack Valenti, 85; former MPAA president compared VCR to 'Boston Strangler'" Los Angeles Times, 2007. [2] "The Day O'Connor Switched: Inside the VCR Case That Changed Hollywood" Stanford Law Review, 2015. [3] "Supreme Court Rules in Favor of Thai Student in Textbook Case" New York Times, 2013. [4] "The $1.5 Million Textbook: How Supap Kirtsaeng Became a Copyright Hero" Harvard Journal of Law & Technology, 2014.