Premise & hypothesis.
a person in a blue shirt doing a flip on a bike, with trees in the background.

There is someone doing a bike flip off of the dock into Big Bear lake.
++++++++++
true or not.
no

Premise & hypothesis.
A man stands by himself under a tree on a lawn, shading his eyes as he regards the housing development in the background.

A solitary man stands outdoors blocking the sun from his eyes
++++++++++
true or not.
yes

Premise & hypothesis.
Two people in chef's garb doing a demonstration at a KitchenAid booth.

Two people work at a booth together.
++++++++++
true or not.
yes