Premise: Four birds are chasing another bird which has a piece of food in its mouth

Hypothesis: the birds are trying to get the food
it is not possible to tell

Premise: The skateboarder wearing jeans and a white shirt performs a trick.

Hypothesis: A person roller skating.
no

Premise: Lady out with a elder person in wheelchair, in the sun.

Hypothesis: person in wheelchair
yes

Premise: An orchestra of about 30 people are practicing on the stage of what appears to be an auditorium full of green chairs.

Hypothesis: A group of people are playing basketball in an auditorium.
no