Premise: A person in a black coat playing Frisbee with a dog near a wooded area.

Hypothesis: A man in black is playing with his cat on Sunday.
no

Premise: A man on his knees on top of a roof holding a hammer.

Hypothesis: The roofer carefully hammers roof tiles, one by one.
it is not possible to tell

Premise: Children are addressing a crowd on red brick.

Hypothesis: Kids are being loud.
yes

Premise: Someone is surfing along a wave with someone else swimming nearby.

Hypothesis: Someone is surfing.
yes