Premise & hypothesis.
Many people gathered on four little white boats and are going down a waterway in between two houses.

People are going down waterways on speedboats.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two people are in a field harvesting crops while another walks away from them.

Someone is walking away from two other people.
++++++++++
true or not.
yes

Premise & hypothesis.
A middle-aged man wearing a button up shirt reads a book about dogs to a toddler sitting in his lap.

A man listens to a song on a walkman.
++++++++++
true or not.
no