Premise & hypothesis.
Young boy playing with Legos.

A child plays with Legos in the park.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
The dog, all belly, leaps in the air to catch a large ball.

A dog catches a ball.
++++++++++
true or not.
yes

Premise & hypothesis.
A person is dirt biking over rocks and water.

A person is racing dirt bikes to be number one in the state.
++++++++++
true or not.
it is not possible to tell