Premise: An older lady and a young couple standing on the sidewalk posing to take a picture.

Hypothesis: People are outside taking pictures.
it is not possible to tell

Premise: People walking on a sidewalk past a parked train.

Hypothesis: Some people sit in a restauant.
no

Premise: The person looks cautiously into traffic to be sure no car is coming.

Hypothesis: The person looks cautiously into traffic to be sure no car is coming before making their move
yes

Premise: A man in a black shirt and white pants swinging a baseball bat, with a baseball team and spectators in the background.

Hypothesis: The people are at a baseball field.
it is not possible to tell