[Q] Premise: "Snowboarders are jumping their boards off a mound of snow."
Hypothesis: "Some people are very cold."
Do we know that the hypothesis entailed by the premise?
[A] Just because snowboarders are jumping into snow does not mean that some people are very cold.
The answer is it is not possible to tell.

[Q] Given the sentence "The bikers came around the corner very fast and it was a tight race with the blue biker in the lead." can we conclude that "A group of people in a bike race."?
Options:
- yes
- it is not possible to tell
- no
[A] Bikers in a tight race is equivalent to a group of people in a bike race.
The answer is yes.

[Q] If "A man is holding yarn or string." does that mean that "A man holding a fish."?
Options:
- yes
- it is not possible to tell
- no
[A] A man is holding yarn or string and a fish simultaneously.
The answer is no.