Question:
Premise: A woman holding a pink balloon and wearing a fuzzy pink tiara, and a man with his head tilted slightly forward and smiling with his mouth wide open are standing next to one another.

Hypothesis: Two people stand next to each other.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A man is cleaning his yard with a leaf blower.

Hypothesis: A man is not cleaning his yard
Is the hypothesis true?

Answer:
no

Question:
Premise: A boy in a baseball uniform runs the bases.

Hypothesis: A boy sits inside, playing a computer game.
Is the hypothesis true?

Answer:
no