I'll give you a question, please answer with step-by-step reasoning process.
Can we conclude from "Men standing on scaffolding are working." that "Men are working cleaning windows while on scaffolding."?\nOptions:\n- yes\n- no\n- it is not possible to tell

it is not possible to tell
Men standing on scaffolding are working does not necessary that they are working cleaning windows while on scaffolding.

.

Therefore, the answer is it is not possible to tell