For this chain-of-thought reasoning and answer, what was the question?
A tennis match is not always held at a tennis arena.
 A: it is not possible to tell
Q: Premise: "Two people with red scarves on their heads are watching tennis."
Based on this premise, can we conclude that the hypothesis "Two people are at a tennis arena watching a tennis match." is true?
Options:
- yes
- it is not possible to tell
- no