Premise & hypothesis.
The dog swims towards a waterfall.

A dog swimming.
++++++++++
true or not.
yes

Premise & hypothesis.
A man in a red shirt and a man in a yellow shirt are crouching in a crowd of people.

A man wearing a red shirt and a man wearing a yellow shirt crouch in a crowd to hide from their friends
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A young boy smiling as he rides down an inflatable water slide.

A child is playing outdoors.
++++++++++
true or not.
yes