Premise: A man and woman are drinking beer outdoors at night.

Hypothesis: They are outdoors enjoying cold beverages.
yes

Premise: A man holding a camera reaches over a railing to shake the hand of a 2012 graduate.

Hypothesis: a man holding a camera
yes

Premise: A man chases a dog trying to pass the barrier to enter a play area.

Hypothesis: The man is sitting on the floor.
no

Premise: Head-dressed men sell china on the street.

Hypothesis: They sell china for a living.
it is not possible to tell