Question:
Premise: A young black man walks down a street with a stray dog on it.

Hypothesis: a man walks down the street
Is the hypothesis true?

Answer:
yes

Question:
Premise: children dressed in Halloween costumes are enjoying a performance.

Hypothesis: children dressed in Mardi Gras costumes
Is the hypothesis true?

Answer:
no

Question:
Premise: A man floating on a tube on a lake.

Hypothesis: An elderly gentleman is on a lake near his retirement lakehouse.
Is the hypothesis true?

Answer:
it is not possible to tell