Premise & hypothesis.
A black lab jumps off a dock into a pond.

a black lab name Martin jumped off the dock into a coy pond
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two young women running, one wearing a green shirt and the other wearing a gray shirt with a race tag "5028" with an ambulance and a Coca-Cola machine in the background.

The two young women are selling water to spectators at a race.
++++++++++
true or not.
no

Premise & hypothesis.
A woman has vegetables laid out on a display.

A woman doesn't have vegetables.
++++++++++
true or not.
no