Question and answer: Q: Test for natural language inference.
Premise: "One man kite surfing in the ocean."
Hypothesis: "The man is riding on the back of a dolphin."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: no
Explanation: A man cannot be kite surfing and riding on the back of a dolphin same time.

Question and answer: Q: Given the sentence "Three men discuss the renovations of land before a tractor." can we conclude that "Three men discuss the renovations of their land while a tractor works on the land close by."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell
Explanation: Men discuss renovations of land before a tractor does not imply the tractor works on the land close by.

Question and answer: Q: Given the sentence "A man in a dark suit stands waiting for a subway train while a man in a red shirt and jeans stands waiting on the opposite side of the tracks." is it true that "The men a standing next to subway tracks."?
A: yes
Explanation:
Men standing on either side of subway tracks are each next to the tracks.