Q: If "Street vendor in china is ready for work." does that mean that "A street vendor selling food in china is ready for work."?
Options:
- yes
- it is not possible to tell
- no
A: Not all street vendors in China sell food. Street vendors in China could be selling clothes or other stuff beside food.
The answer is it is not possible to tell.

Q: Given the sentence "A man hangs onto something as he is being pulled through the water." can we conclude that "The man is driving a boat on the water."?
Options:
- yes
- it is not possible to tell
- no
A: He cannot be pulled through the water while he is in a boat on the water simultaneously.
The answer is no.

Q: Given the sentence "A person looking out and standing on top of a rock." can we conclude that "A person sitting in grass."?
Options:
- yes
- it is not possible to tell
- no
A: A person can only sit or stand at one time. Being in the grass is different than being on top of a rock.
The answer is no.

Q: If "An old man cutting vegetables in the middle of a busy walkway." does that mean that "The man is using shears."?
Options:
- yes
- it is not possible to tell
- no
A:
A man cutting vegetables does not have to be using shears.
The answer is it is not possible to tell.