Premise: Grocery store employee, dressed in a red apron & a baseball cap, sits on a ledge in front of the store.

Hypothesis: The employee is working hard.
no

Premise: Several women are playing some sort of sport, they are wearing rollerblades, and there is a referee onlooking them.

Hypothesis: A group of women are hitting each other with their roller blades
no

Premise: A black dog with a red collar stands outside with his paws in water.

Hypothesis: The dog is getting wet.
yes

Premise: A girl is sitting on the stairs.

Hypothesis: A girl have stairs in her home.
yes