I'll give you a question, please answer with step-by-step reasoning process.
Premise: "A person wearing a white shirt and black pans is jumping of a riff."\nHypothesis: "Someone is jumping into some water."\nDo we know that the hypothesis entailed by the premise?

it is not possible to tell
A person is jumping of a riff doesn't imply that someone is jumping into some water.

.

The answer: it is not possible to tell