Premise & hypothesis.
A man in a blue ball cap and wearing no shirt working on a roof.

The man is wearing blue jeans.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Children participate in a sack race.

ALL THE KIDS ARE RACING IN SACKS
++++++++++
true or not.
yes

Premise & hypothesis.
A woman in plaid pants stands on a ski slope, ready to descend.

A lady is waiting for her turn to ski down the steep slope.
++++++++++
true or not.
it is not possible to tell