[QUESTION] Given the sentence "A waterskier is waving at the camera happily." is it true that "A man is participating in a contest."?
Not all water-skier's are men. One is not necessarily participating in a contest just because they are skiing.
The answer is it is not possible to tell.

Q: Given the sentence "Woman rides bicycle in autumn wearing brown jacket." can we conclude that "A female is riding a bike wearing a jacket."?
Options:
- yes
- it is not possible to tell
- no
A: A woman is a female sex. Brown jacket is the color of a jacket.
The answer is yes.

QUESTION: Can we conclude from "A giant monster truck leaps over crushed cars and into the air inside the arena." that "Monster truck leaping over crushed cars."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The monster truck leaping over crushed cars is just a past tense action of how the truck leaps over crushed cars.
The answer is yes.

[QUESTION] Premise: "A monk walks down a city street."
Based on this premise, can we conclude that the hypothesis "A person striding next to a road." is true?
Options:
- yes
- it is not possible to tell
- no
A monk that walks down a street is described more generally as a person striding by a road.
The answer is yes.

Q: Premise: "White dog running through a field of yellow flowers."
Hypothesis: "A dog running after a ball."
Do we know that the hypothesis entailed by the premise?
A: A dog can be running through a field without going after a ball.
The answer is it is not possible to tell.

[QUESTION] Premise: "Lady in blue coat with white and brown hat standing in front of a painting."
Hypothesis: "Lady standing in front of a painting."
Do we know that the hypothesis entailed by the premise?
Lady standing in front of a painting is the same as lady standing in front of a painting.
The answer is yes.