Premise & hypothesis.
A person attempting a stunt using a snowboard and some wooden pallets while it is dark outside with snow on the ground.

A person is taking a risk on a winter evening.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man with red-hair and a bandanna shows his muscles.

The red-haired man is hiding behind a curtain where no one can see him.
++++++++++
true or not.
no

Premise & hypothesis.
A small girl is looking at a pink and black ball, in a parking lot.

A little girl is staring at a ball.
++++++++++
true or not.
yes