Premise & hypothesis.
A man in a blue shirt is about to cross the street while a police car is driving by.

A man waits for a police car to go by before crossing the street
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A group of colorfully dressed dancers, jumping, laughing and celebrating below four large hot air balloons.

A group of dancers celebrate below hot air balloons.
++++++++++
true or not.
yes

Premise & hypothesis.
A guy is going up for a lay-up on a basketball court.

An audience is watching a basketball game.
++++++++++
true or not.
it is not possible to tell