Premise & hypothesis.
A person in a purple tie-dye shirt is carefully making their way down a narrow walkway.

With limited flooring, the person in the purple shirt carefully treads along.
++++++++++
true or not.
yes

Premise & hypothesis.
A person wearing a hat, is sitting on something yellow while fishing from a rock.

A man is fishing from a lake.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man on a mountain bike jumping down a set of stairs.

The man is riding a bike.
++++++++++
true or not.
yes