Question and answer: Q: Premise: "A man wearing a yellow shirt is riding a large riding lawn mower."
Hypothesis: "Which is spraying cut grass behind him; pine trees are visible in the background."
Do we know that the hypothesis entailed by the premise?
A: it is not possible to tell
Explanation: A man is escaping from a bear on his riding mower.

Question and answer: Q: Can we conclude from "Young fans raise their hands while listening to a female entertainer." that "The fans are taking a math test."?
Options:
- yes
- no
- it is not possible to tell
A: no
Explanation: Fans are not able to take a math test and raise their hands while writing.

Question and answer: Q: Premise: "A man and woman in black and white swimsuits and sunglasses are next to the ocean."
Based on this premise, can we conclude that the hypothesis "Some people are surfing." is true?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation:
Just because a man and woman are next to the ocean doesn't mean that people are surfing.