[Q] Given the sentence "A woman with a baby stroller selects a small beach ball from a rack outside of a store." is it true that "A woman with a troller gets a yellow ball in the store."?
[A] A woman who selects a beach ball from a store rack not necessarily gets a yellow ball.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "An oriental man standing behind a crowd."
Hypothesis: "The man is waiting for his gyro."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] A man behind a crowd is not assumed to be waiting for his gyro.
The answer is it is not possible to tell.

[Q] If "A black dog on a leash walking in water." does that mean that "A white dog drinks from a stream."?
Options:
- yes
- it is not possible to tell
- no
[A] A black dog is not the same as a white dog.
The answer is no.