Premise & hypothesis.
Three white men singing and performing on stage at a concert.

Three men are performing an a capella concert
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
The children are playing outdoors, while a man smiles nearby.

They are playing chase.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
An older man is drinking and holding a giant hammer.

The older man is eating a sandwich.
++++++++++
true or not.
no