Premise: A woman in a white outfut playing tennis.

Hypothesis: The woman is playing against another woman.
it is not possible to tell

Premise: A man wearing a gray t-shirt is standing beside a parking meter with a truck and small tree in the background.

Hypothesis: The man is riding a surfboard while trying to keep his balance.
no

Premise: Four people in skydiving gear in a plane high above earth.

Hypothesis: A man is jumping from a plane with a jetpack.
no

Premise: A man grilling vegetables on a patio with his dog.

Hypothesis: The man is using a flame thrower to grill his vegetables.
no