I'll give you a question, please answer with step-by-step reasoning process.
Can we conclude from "Two men in a red uniform and a blue uniform combat in karate in a gymnasium." that "The two men are members of rival teams."?\nOptions:\n- yes\n- no\n- it is not possible to tell

it is not possible to tell
They could be merely competitors instead of part of rival teams.

.

Thus, the answer is it is not possible to tell