Premise & hypothesis.
A little boy skateboarder is doing a trick on his board while another young skateboarder watches.

There are no skateboarders doing tricks.
++++++++++
true or not.
no

Premise & hypothesis.
Several street performers beat tribal drums and dance while wearing matching white and red garb.

The street performers are wearing matching clothing.
++++++++++
true or not.
yes

Premise & hypothesis.
Two young men talk on the street corner under the streetlights.

Two men talking
++++++++++
true or not.
yes