Premise & hypothesis.
Three young boys wearing school uniforms pose and smile for the camera.

Three young boys pose and smile for the camera
++++++++++
true or not.
yes

Premise & hypothesis.
A group of people looking around in a dirt or stone shaded area.

People are looking for a lost cellphone.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Three race cars are on a racetrack decorated with yellow signs.

There are cars with yellow signs.
++++++++++
true or not.
yes