Premise & hypothesis.
A person dressed as an iguana is riding a stationary bike.

A person dressed as a cat rides a bike.
++++++++++
true or not.
no

Premise & hypothesis.
A little kid with food all over her face in a highchair.

A little kid's face is dirty from eatting.
++++++++++
true or not.
yes

Premise & hypothesis.
A man sits behind a music stand playing the guitar while people perform in the background.

The man is playing a tuba.
++++++++++
true or not.
no