Premise & hypothesis.
A man pumps up the tires in his bike before setting out to ride.

A man pumps up the tires in his bike.
++++++++++
true or not.
yes

Premise & hypothesis.
A long-haired man plays a guitar

A lady plays a guitar.
++++++++++
true or not.
no

Premise & hypothesis.
People hanging out on the railings bordering a street.

the child was happy'
++++++++++
true or not.
it is not possible to tell