Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: Just because you're wearing a costume doesn't mean you have to yell.
 The question and answer:
If "Two people in costumes are riding a bike." does that mean that "The two people in costume started to yell while riding a bike."?
Options:
- yes
- it is not possible to tell
- no
The answer is it is not possible to tell