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:
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