Premise & hypothesis.
Two girls wade in the surf, and one shows of her flexibility.

The two girls are in the water.
++++++++++
true or not.
yes

Premise & hypothesis.
Three men wearing safety vests are repairing a street.

Three men are tired from a long day's work.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two dogs playing in the grass with an adult nearby.

Two dogs lay in the sun.
++++++++++
true or not.
no