Question:
Premise: The two tourists looked around the building strewn with posters.

Hypothesis: The tourists were inside the building
Is the hypothesis true?

Answer:
no

Question:
Premise: A man wears a mask around his mouth and a hairnet by a brick wall.

Hypothesis: A man in a halloween costume is outside a building.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A group of African-American children have their hands up in the air singing or shouting in a classroom.

Hypothesis: African-American children actively participate in learning.
Is the hypothesis true?

Answer:
yes