A. Jim is an only child. B. Tom is Jims brother. What is the semantic relation of these t

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A. Jim is an only child. B. Tom is Jims brother. What is the semantic relation of these two sentences?

A.Entailment

B.Presupposition

C.Contradiction

D.Tautology

请帮忙给出正确答案和分析,谢谢!

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