Premise & hypothesis.
A snowboarder rides a snowboard down a railing beside a flight of steps.

A man is watching t.v. at home.
++++++++++
true or not.
no

Premise & hypothesis.
A man in a white shirt is laughing at what a woman in a pink shirt is saying.

The woman is laughing at the man.
++++++++++
true or not.
no

Premise & hypothesis.
A young man with no shirt on is standing near a car with surfboards on it.

There is a man standing outdoors getting ready to surf
++++++++++
true or not.
it is not possible to tell