Premise & hypothesis.
A man in a gray shirt is holding a metal pipe.

A man is holding a part of a sink
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A young boy in a sweatshirt plays with a balloon.

A young boy is swimming.
++++++++++
true or not.
no

Premise & hypothesis.
A black and white dog is playing with a sheep in a field.

the animals are playing together
++++++++++
true or not.
yes