Answer the following question, with explanation first.
Can we conclude from "Four hikers dressed in black and yellow attempt a massive mountain." that "Some of the hikers are wearing backpacks."?\nOptions:\n- yes\n- no\n- it is not possible to tell

it is not possible to tell
If you attempt a massive mountain it can't always be implied you're wearing backpacks.

.

Therefore, the answer is it is not possible to tell