Riding a bike is not the same as jumping with a skateboard.
The question and answer are below.
Premise: "A young man is jumping in the air with his skateboard."
Hypothesis: "A young man riding a bike."
Do we know that the hypothesis entailed by the premise?
no

Nothing about a biker moving quickly past trees implies that he is moving fast as he races in the California redwoods.
The question and answer are below.
Can we conclude from "A biker moving quickly past trees." that "A biker is moving fast as he races through the californian redwoods."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell

Two people are sitting at the top of a grassy hill.
The question and answer are below.
Given the sentence "Two mountain climbers stand on the ridge of a tall." can we conclude that "Snowy mountain."?
Options:
- yes
- it is not possible to tell
- no
no