[Q] Given the sentence "A young man wearing a helmet rides a skateboard on a ramp." is it true that "A motorcyclist in a helmet rides by."?
[A] A motorcyclist is not necessarily a young man. A motorcyclist would not ride a skateboard.
The answer is no.

[Q] Given the sentence "A woman picking up a couple plates of food from the table." is it true that "The person is picking up plates of pancakes."?
[A] A woman picking up plates of food from the table is not necessarily picking up plates of pancakes.
The answer is it is not possible to tell.

[Q] Given the sentence "A man takes a picture of him and his friend with his phone." can we conclude that "The people are near the phone."?
Options:
- yes
- it is not possible to tell
- no
[A] The people are near the phone doesn't mean that they are taking a picture of him and his friend with his phone.
The answer is it is not possible to tell.