Just because the dulcimer player is young does not indicate that those talking to him are older.
The question and answer are below.
Given the sentence "Two people in green jackets are talking to a young man about him playing a dulcimer." is it true that "Two older people are talking to a young man."?
it is not possible to tell

A teenage boy riding a unicycle through a grassy park is not necessarily riding for exercise.
The question and answer are below.
Given the sentence "Teenage boy is riding a unicycle through a grassy park." can we conclude that "A boy rides a unicycle for exercise."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

Not all people are men. Not all roller coasters are at islands of adventure.
The question and answer are below.
Premise: "Group of people riding on a green roller coaster."
Hypothesis: "A group of men ride a roller coaster at islands of adventure."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell