Premise: Two dogs are running together through the grass.

Hypothesis: The grass is being trambled on by two dogs.
yes

Premise: Baby crawling in green grass.

Hypothesis: A baby sleeping in her crib.
no

Premise: A group of girls sit back to back.

Hypothesis: A group of girls sit with their backs to each other during school.
it is not possible to tell

Premise: People enjoying the day at a get together.

Hypothesis: People are having fun together.
yes