Premise & hypothesis.
Young boy jumping on to his bed.

A boy is jumping on his bed in excitement.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man falling asleep while sitting down.

A man is falling asleep.
++++++++++
true or not.
yes

Premise & hypothesis.
Two men are lying on a roof doing work, while two other men are assisting using a lift.

Four men building a house.
++++++++++
true or not.
it is not possible to tell