[Q] Given the sentence "A man with a beard and red hat sits down with a drink in a paper bag." is it true that "A homeless santa look-alike drinks beer."?
[A] Not all man with a beard is homeless. Not all man with a red hat is a santa look-alike.
The answer is it is not possible to tell.

[Q] Test for natural language inference.
Premise: "A biker is doing tricks on his bike."
Hypothesis: "The biker is not just riding his bike in a normal fashion."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Doing tricks implies not just riding bike in a normal fashion.
The answer is yes.

[Q] Premise: "A police officer on a motorcycle is behind a four door sedan on a road with billboards in the distance."
Hypothesis: "A cop chases a speeding sedan on his motorcycle and crashes into a sign."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] One can be either behind a sedan or crashed into a sign.
The answer is no.