Premise: Three women paddle their small boats along the river.

Hypothesis: Some people in a boat.
it is not possible to tell

Premise: A team stands on a field while fans sit in the audience and some men in suits get their pictures taken.

Hypothesis: A large gathering of people.
yes

Premise: Several Asian men and women are standing at a busy crosswalk while waiting for their turn to cross the street.

Hypothesis: A group of people wait to go across the road on their way to work.
it is not possible to tell

Premise: A lady is taking a photo using a canon camera.

Hypothesis: There is a woman that is taking photos.
yes