Premise: "Seven climbers are ascending a rock face whilst another man stands holding the rope."\nBased on this premise, can we conclude that the hypothesis "The climbers use safety measures." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no
A step-by-step solution is:
it is not possible to tell
Just a man stands holding a rope for rock climbers doesn't mean safety measures are being used.

.

So, the answer is it is not possible to tell