QUESTION: Can we conclude from "A family poses in front of the fireplace and christmas tree." that "A family posing for a christmas card photo."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The family might be posing for something other than a Christmas card photo.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "A windsurfer in the waves of the ocean." that "The ocean has waves."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The ocean has waves is a paraphrase of waves of the ocean.
The answer is yes.

QUESTION: Given the sentence "Two men conversing over a meal." can we conclude that "Two men talk about politic at diner."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Not all conversations are talk about politic. Meals can be at other places besides a diner.
The answer is it is not possible to tell.