[QUESTION] Given the sentence "A bike rider is caught midair in front of some trees." is it true that "A person standing still."?
A bike rider who is caught midair would not be standing still.
The answer is no.

[QUESTION] Given the sentence "A closeup shot of a long-haired man playing a red electric guitar." is it true that "A man is playing the violin."?
Either the man is playing guitar or he is playing violin. He cannot play both at the same time.
The answer is no.

[QUESTION] Given the sentence "A woman with a black hat and blue coat holding a baby goat." is it true that "A woman is not wearing anything on her head."?
One with black hat doesn't indicates not wearing anything on head.
The answer is no.

[QUESTION] If "An older man is helping to lower a stack of pipes." does that mean that "A man is stacking pipes."?
Options:
- yes
- it is not possible to tell
- no
A man refers here was an older man is helping to lower a stack of pipes.
The answer is yes.