Premise: A little boy, playing t-ball on a sunny day with his dad watching from behind the fence.

Hypothesis: There is a little boy playing t-ball.
yes

Premise: one tan dog running on the grass with a brown dog running close behind

Hypothesis: One dog following another dog on the grass.
yes

Premise: Two men holding their boat on the beach.

Hypothesis: The boat on the beach is being held by two men.
it is not possible to tell

Premise: A man having his bike fixed.

Hypothesis: The man needs his bike fixed.
yes