question: happiness:mirth
choices.label: A B C D
choices.text: trust:information serious:rigorous sincerity:honesty small talk:leisure
explanation: "happiness" and "mirth" both refer to pleasure and joy. the two have similar meanings. "trust" refers to believing in and daring to entrust, and "information" refers to the objects transmitted and processed by information, messages, and communication systems, generally referring to all content transmitted in human society. the two have no obvious logical relationship. "serious" refers to being venerable and strict, and "rigorous" refers to carefulness and meticulousness. there is no obvious logical relationship between the two. both "sincerity" and "honesty" refer to being genuine and earnest. the two have similar meanings. "small talk" refers to a casual chat, and "leisure" refers to relaxation. the two are not similar in meaning.
relation: happiness mirth R1.1
relation: sincerity honesty R1.1