Premise: Two young girls are riding red tricycles.

Hypothesis: Two teen girls are riding bikes.
no

Premise: A girl running toward a man on the beach

Hypothesis: A girl running on the beach.
yes

Premise: A smiling woman in a black suit is standing in front of an audience in a bookstore or library, holding a book and smiling at them.

Hypothesis: The woman is frowning and angry.
no

Premise: People walking past a wall topped with razor wire.

Hypothesis: There are people watching TV
no