What was the question for this implicit rationale, and corresponding answer?
A boy and girl are either dancing or out for ice cream.
 The answer: no

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The question: Premise: "A boy and girl are dancing."
Hypothesis: "A boy and girl go out for ice cream."
Do we know that the hypothesis entailed by the premise?