Premise & hypothesis.
A brown dog bites a purple mitten in the snow.

a dog is cuddling with a mitten
++++++++++
true or not.
no

Premise & hypothesis.
People search for their seats in a stadium.

They are looking and walking around.
++++++++++
true or not.
yes

Premise & hypothesis.
A man enjoys the sun in a park.

the man is sitting on a bench
++++++++++
true or not.
it is not possible to tell