[Q] Test for natural language inference.
Premise: "Boy climbing a rock wall."
Hypothesis: "A boy is learning how to mountain climb."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Although he is climbing a rock wall it does not mean he is learning how to mountain climb.
The answer is it is not possible to tell.

[Q] If "People walk down a narrow alleyway between tall brick buildings." does that mean that "People are walking in the forest."?
Options:
- yes
- it is not possible to tell
- no
[A] A narrow alleyway between tall brick buildings is not a forest.
The answer is no.

[Q] Given the sentence "Male surfer with yellow surfboard and dog walking down picturesque beach and large rocks." is it true that "A surfer ends his day walking home on the beach with his dog."?
[A] The surfer might not be heading home and might just be beginning his journey.
The answer is it is not possible to tell.