Question and answer: Q: Given the sentence "A man sits down and plays a public piano." is it true that "The man is playing for his wife."?
A: it is not possible to tell
Explanation: Not all piano playing by a man is done for his wife.

Question and answer: Q: Test for natural language inference.
Premise: "A group of kids jumping into a swimming pool."
Hypothesis: "Kids are in a sandbox."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: no
Explanation: Kids cannot be in a sandbox if they are jumping into a swimming pool.

Question and answer: Q: Premise: "A child wearing blue tee-shirt playing with an orange pinata without a blindfold."
Hypothesis: "The child is celebrating a birthday."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation:
A child playing with an orange pinata without a blindfold may not be celebrating a birthday.