The train worker doesn't check anything before train leaves station then they will face difficulties in midway.
The question and answer are below.
Premise: "The train worker checks to make sure that everything is okay before the train leaves the station."
Hypothesis: "The train worker doesn't check anything."
Do we know that the hypothesis entailed by the premise?
no

A dog with its mouth wide open is not necessarily yawning.
The question and answer are below.
Premise: "A dog that is wearing a red cap is standing by a guitar with its mouth wide open."
Based on this premise, can we conclude that the hypothesis "A dog is yawning." is true?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

The skier going down a large mountain implies that the skier is going down a mountain.
The question and answer are below.
Given the sentence "The skier is going down a large mountain." is it true that "A skier going down a mountain."?
yes