Premise & hypothesis.
A grandma holds her grandson's hand at a train stop.

Grandfather holding grandson's hand.
++++++++++
true or not.
no

Premise & hypothesis.
A man in military dress is on the phone, while on a boat in water.

The man is walking his dog.
++++++++++
true or not.
no

Premise & hypothesis.
two men in an orange raft boat

Two dudes in a boat.
++++++++++
true or not.
yes