Premise & hypothesis.
Two people in jackets are rowing a canoe down a river.

the boy was listening to music
++++++++++
true or not.
no

Premise & hypothesis.
a couple of men playing street ball.

Men are playing street ball.
++++++++++
true or not.
yes

Premise & hypothesis.
A group of construction workers in hard hats on a balcony.

The construction workers are on a break.
++++++++++
true or not.
it is not possible to tell