Premise & Hypothesis & Options: People swim in the water near a long dock.
The people are having a race.
Is the hypothesis true or not: it is not possible to tell

Premise & Hypothesis & Options: A band, including a keyboard player, guitarist, and drummer, perform on a stage illuminated by pink lights.
The pink lights blink very fast.
Is the hypothesis true or not: it is not possible to tell

Premise & Hypothesis & Options: A long-haired man wearing a blue jacket sings while playing an electric guitar.
A man has long hair.
Is the hypothesis true or not:
yes