Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: White men and African American men are both present which implies that there are at least two ethnicity present.
 The question and answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
If "Two very large white guys with a african american man cooking sausages at a barbecue." does that mean that "There are at least two ethnicity at this event."?
Options:
- yes
- it is not possible to tell
- no
The answer is yes