Premise & hypothesis.
A group of firefighters are walking down a street.

The firefighters are walking together.
++++++++++
true or not.
yes

Premise & hypothesis.
A man is fixing a net in front of a big stone staircase.

A person is fixing a net in front of a big stone staircase.
++++++++++
true or not.
yes

Premise & hypothesis.
A boy wearing sunglasses on his forehead and a woman wearing sunglasses on her eyes are staring.

A boy and a woman are wearing sunglasses and shutting their eyes.
++++++++++
true or not.
no