Premise & hypothesis.
A boy, barefooted, sitting in a tree.

a boy is sitting in a tree without shoes on
++++++++++
true or not.
yes

Premise & hypothesis.
Young man alone on a white-sand beach enjoys a snack under a beach umbrella.

A young man wears swim trunks and a baseball cap.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
roofers are getting prepared for an installation

The men are all scared of heights and will not do the job.
++++++++++
true or not.
no