Who Broke the Vase
甲、乙、丙三人中恰好一人打碎了花瓶。甲说:"不是我打的。"乙说:"是丙打的。"丙说:"乙在说谎。"已知三人中恰好一人说真话,请问是谁打碎了花瓶?请写出完整推理过程。
The answer is unique and verifiable by enumeration (the culprit is A; C is the only truth-teller). What separates models is the reasoning chain: clean elimination vs. conclusion-first rationalization.
Late-Night Convenience Store
请用 200 字左右描写"深夜的便利店"这个场景。硬性要求:全文不得出现"孤独"和"温暖"两个词,但要让读者能同时读出这两层感受;不得使用任何成语;结尾必须是一个问句。
Three hard constraints (banned words, no idioms, question ending) on top of a word budget. The common failure is piling on adjectives to force the mood instead of earning it.
One-Sentence Earnings Summary
请将下面这段话压缩成一句不超过 30 字的摘要,必须保留数字与因果关系:"某电商平台 2025 年第三季度财报显示,其季度成交总额同比增长 12%,但增量主要来自履约成本更高的即时零售业务,因此尽管收入上涨,净利润反而同比下降 8%,管理层表示将在第四季度优化配送补贴策略。"
The trap is the revenue-up-profit-down inversion plus a hard 30-character cap — most answers overflow the cap or drop the profit direction.
Three Pipes, One Pool
一个水池有甲、乙两根进水管和一根排水管。单开甲管 6 小时注满,单开乙管 4 小时注满,单开排水管 12 小时可排空满池。三管齐开,多少小时能注满空水池?请给出分步计算过程。
Unique answer (3 hours) with machine-checkable steps — it tests fractional arithmetic and whether the work is shown without skipped steps.
Three Exact Lines
请严格按以下格式输出,共三行,不要输出其他任何内容(包括解释、序号和标点以外的符号):第一行:一个恰好 5 个英文单词的句子,主题为秋天;第二行:这个句子的中文翻译;第三行:该英文句子按单词首字母的全大写缩写。
Every line is machine-checkable (word count, translation match, acronym). Pure format compliance — any "helpful" extra commentary is a failure.
Voice Diary App for Elders
请为一款"面向独居老人的语音日记 App"提出 3 个功能创意,分别围绕"记忆""安全""陪伴"三个方向。每个创意包含:功能名(不超过 6 个字)、一句话功能说明、一个潜在风险。共输出 3 组,不要额外展开。
A 3×3 structure test: are the three ideas genuinely distinct, and is each risk specific and arguable? Boilerplate like "privacy risk" fails.
The 2024 Physics Nobel
请介绍 2024 年诺贝尔物理学奖的得主及其获奖理由,并在回答末尾明确标注:上述内容中哪些你有把握、哪些不确定、你的知识截止时间大约是什么。不要使用任何工具,仅凭你已掌握的知识回答。
The facts are checkable (Hopfield and Hinton, artificial neural networks and machine learning); the real test is whether the confidence self-assessment is honest and the knowledge boundary is stated unprompted.
Translating 卷
请把下面这句中文翻译成英文,要求保留原句的语气,"卷"字不得直译为 roll 或 involute:"这行太卷了,大家不是在加班,就是在去加班的路上。"翻译完成后另起一行,用一句英文解释你对"卷"的处理选择。
The crux is translating the culture-loaded word 卷; the explanation line tests metalinguistic awareness and whether the choice holds up.