[QUESTION] Given the sentence "A hiker waves to the camera as he standing in front of snowcapped mountains." is it true that "A hiker in front of the mountains  waves to the camera."?
A hiker waves to the camera as he standing in front of snowcapped mountains can be written as a hiker in front of the mountains waves to the camera.
The answer is yes.

[QUESTION] Premise: "Two boys are harnessed to a tree and are swinging across a wire."
Hypothesis: "Two boys are standing in a tree."
Do we know that the hypothesis entailed by the premise?
The boys cannot stand in a tree and swing on across a wire at the same time.
The answer is no.

[QUESTION] Can we conclude from "An extreme bicyclist hangs in the air with the sky in the background." that "Man performs risky bike trick."?
Options:
- yes
- no
- it is not possible to tell
The bicyclist does not have to be a man; the trick does not have to be particularly risky.
The answer is it is not possible to tell.

[QUESTION] Premise: "Four guys in cowboy hats are sitting at a table out in a pasture."
Hypothesis: "Four guys are talking about their day outside."
Do we know that the hypothesis entailed by the premise?
The fact that guys in cowboy hats are sitting at a table out in a pasture doesn't imply talking about their day outside.
The answer is it is not possible to tell.