premise: A couple is sitting down smiling, with the woman linking arms with the man. hypothesis: A couple is sitting down and smiling.
entailment: To say a couple is " sitting down and smiling " is a rephrasing of "sitting down smiling".|entailment: The happy couple is a man and a woman.|entailment: " A couple is sitting down smiling, with the woman linking arms with the man." is a rephrasing of "A couple is sitting down and smiling".