Premise & hypothesis.
Children holding a rainbow flag and colorful balloons are walking together with an adult leading them.

A school group goes for a walk
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A group of children listening to a teacher read a story in the library.

Children listen to their mp3 players.
++++++++++
true or not.
no

Premise & hypothesis.
A pale boy in a swimming pool with a plastic bottle.

A boy is swimming.
++++++++++
true or not.
it is not possible to tell