Question:
Premise: Volleyball team members dressed in red on one side, and team members dressed in yellow and blue on the opposing team, actively blocking a spike while a coach looks on.

Hypothesis: The volleyball teams are rivals and don't like each other.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A couple walking down the street.

Hypothesis: People getting exercise.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A group of people are backpacking through a grassy field.

Hypothesis: The group of people are getting grass stains on their clothes.
Is the hypothesis true?

Answer:
it is not possible to tell