Premise & hypothesis.
The leader from Green Day singing with a young fan on stage.

Two males singing on a stage.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Black dog running across sand.

man is playing fetch with his dog.
++++++++++
true or not.
no

Premise & hypothesis.
Many kids are sitting and taking notes.

people sitting and writing
++++++++++
true or not.
it is not possible to tell