Premise: A group of people are in a large raft on choppy water.

Hypothesis: A group of people are rafting on the river.
it is not possible to tell

Premise: Man playing guitar in a dark room.

Hypothesis: Nobody has a guitar.
no

Premise: A dog runs through muddy water.

Hypothesis: A dog is taking a nap.
no

Premise: An Asian man sells some sort of good in a crowd.

Hypothesis: The man is selling a purse.
it is not possible to tell