Test for natural language inference.\nPremise: "As a man walks down the street a pigeon swoops behind him."\nHypothesis: "The man is aware of the pigeon."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell
Let's think step by step.
it is not possible to tell
A man may or may not be aware of a pigeon swooping behind him.

.

The answer: it is not possible to tell