Premise & hypothesis.
Twins in orange shirts jumping on a trampoline.

Twins are jumping on a trampoline and one falls.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A volleyball team is trying to stop the ball from going over the net.

A tennis player lobs the ball across the net.
++++++++++
true or not.
no

Premise & hypothesis.
A bicyclist with a green shirt rides through the woods

A man is jogging down a city street.
++++++++++
true or not.
no