Premise: A small child wears skis on a ski hill.

Hypothesis: A kid is going skiing while wearing his skis with his friends
it is not possible to tell

Premise: A referee on rollerskates and wearing knee pads and a helmet is sweeping the floor of a wooden basketball court in front of a crowd.

Hypothesis: A group of people looking at a person in front of them.
yes

Premise: A black woman singing into a mic.

Hypothesis: The woman is singing
yes

Premise: A small child wearing a blue and white t-shirt happily holding a yellow plastic alligator.

Hypothesis: A boy playing with alligator
no