Question:
Premise: Two girls smile at one another as the loud crowd carries on with the festivities.

Hypothesis: Two girls are smiling.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A large group of asian people are walking down the street while shopping, two holding many shopping bags.

Hypothesis: A group of Asian people are walking down the street together while some hold shopping bags.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A person sweeping while another is sitting in a parked street sweeper in front of a building.

Hypothesis: Two people are driving street sweepers.
Is the hypothesis true?

Answer:
no