Premise: A group of people sitting at a table with refreshments in what looks to be an art gallery.

Hypothesis: There are people having drinks at a table.
yes

Premise: Alone on a deserted street.

Hypothesis: Only person eating a tomato sandwich.
no

Premise: A boy is skateboarding near the San Jose Museum of Art.

Hypothesis: The boy is wearing a helmet.
it is not possible to tell

Premise: Two men with black suits going up a escalator.

Hypothesis: Two men are taking the elevator.
no