For this chain-of-thought reasoning and answer, what was the question?
Being on a roller coaster and riding a roller coaster are the same thing.
 A: yes
Q: Premise: "People are on a roller coaster in front of a body of water."
Based on this premise, can we conclude that the hypothesis "People are riding a roller coaster." is true?
Options:
- yes
- it is not possible to tell
- no