Premise & hypothesis.
Two men in construction clothing and hard hats standing on scaffolding

They are welding.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A girl in a white shirt with pink shoes walking in the park with a younger child in a blue shirt walking in front of her.

2 children are walking
++++++++++
true or not.
yes

Premise & hypothesis.
A football team is seen making plays, blocking, catching and running.

A soccer team is playing.
++++++++++
true or not.
no