Premise & hypothesis.
A man riding a dirt bike

A man is swimming.
++++++++++
true or not.
no

Premise & hypothesis.
Small boy wearing a blue shirt being brought up out of water by man in white shirt and wearing glasses.

The boy is on a swing at the playground.
++++++++++
true or not.
no

Premise & hypothesis.
One man in a blue shirt is operating a watering hose and another man in a brown shirt is moving tarps.

One man is watering tomatoes while another man is pulling tarps.
++++++++++
true or not.
it is not possible to tell