Premise: Two men stand at a chalkboard that forms part of a stone wall in front of a number of tables and chairs of which only a few are occupied.

Hypothesis: Two men are giving a lecture to a few students
it is not possible to tell

Premise: A shirtless man with sunglasses and a helmet is riding a motorcycle next to traffic cones.

Hypothesis: A man searching for a shirt.
it is not possible to tell

Premise: Inside a house a old man is looking at a paper that has a picture of a topless woman on the cover.

Hypothesis: The man is looking at a 1/2 naked woman.
yes

Premise: Three people sitting in a room together.

Hypothesis: There are four people standing.
no