QUESTION: Given the sentence "A girl painting pottery." is it true that "A girl is working on something."?

Let's solve it slowly: A girl is painting pottery shows that she is working on something.
The answer is yes.

[QUESTION] Given the sentence "A man is preparing to throw a ball and wears a baseball uniform." is it true that "A man playing in the world series."?
Not all balls thrown by men is in the World Series.
The answer is it is not possible to tell.

Q: Given the sentence "A person stands next to a rock monument with his hand near his head." is it true that "A person sits on a couch."?
A: A person stands next to a rock monument not to couch.
The answer is no.

QUESTION: Given the sentence "The girl in a bright pink skirt dances near a stroller." can we conclude that "The girl is moving around."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A girl dancing is the same things as a girl moving around.
The answer is yes.

[QUESTION] Given the sentence "Four cheerleaders at a basketball game dance at half-court during a break in the game." is it true that "Four cheerleaders were sitting and watching the crowd."?
Cheerleaders cannot be sitting and watching at the same time they are dancing.
The answer is no.

Q: Premise: "A dog is jumping across an obstacle."
Based on this premise, can we conclude that the hypothesis "A dog is performing in a competition." is true?
Options:
- yes
- it is not possible to tell
- no
A:
A dog is jumping across and obstacle but the dog isn't necessarily performing in a competition.
The answer is it is not possible to tell.