Premise: Woman talking to friend while walking dog outside on a sunny day.

Hypothesis: The friend is female.
it is not possible to tell

Premise: Two people are paying to play a basketball carnival game.

Hypothesis: the people are at a carnival
yes

Premise: A brown and white dog is standing in the river by the bank.

Hypothesis: Two dogs are getting wet.
it is not possible to tell

Premise: 2 men racing in go-carts.

Hypothesis: Two men are racing.
yes