The following sentences that have the relation of entailment are . A: a. John killed Billb. Bill died B: a. I saw a boyb. I saw a child C: a. John is a bachelor.b. John is unmarried D: a. He has been to France.b. He has been to Europe. E: a. The queen of England is old.b. England has a queen. F: a. Is your father at home?b. You have a father. G: a. John is marriedb. John is a bachelor

The sense of relationship between "John plays the piano" and "John plays an instrument" is _________. A: synonymy B: antonymy C: entailment D: contradition

2. ____________known the truth?A. Might John( )B. May John have( )C. Could John have( )D. Can John. A: Could John have B: Might John C: May John have D: Can John

中国大学MOOC: The following sentences that have the relation of entailment are .

The sentence "Have you stopped beating your wife" is an instance of ______. A: presupposition B: entailment C: implicature D: meaning extension