Q: If "A man is walking on the roof of a building under construction." does that mean that "Man walking on a roof during his lunch break."?
Options:
- yes
- it is not possible to tell
- no
A: A man doesn't walk on a roof only on his lunch break.
The answer is it is not possible to tell.

Q: Premise: "A young beagle playing in the grass."
Hypothesis: "A beagle puppy sits on a carpet."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A beagle cant be playing in grass while he sits on carpet.
The answer is no.

Q: Given the sentence "A surfer is riding a vast wave that is every surfer's dream come true." can we conclude that "There is a guy surfing outdoors chasing a friend."?
Options:
- yes
- it is not possible to tell
- no
A: We are told the surfer is riding a wave but there is no mention that he is chasing a friend.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Young woman walking down a street while holding her cellphone."
Hypothesis: "A women is walking to work."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
That the woman is walking down a street and holding a cellphone does not necessarily mean she is walking to work.
The answer is it is not possible to tell.