Premise: A man using a long stick at the end of a diving board.

Hypothesis: A man is pole-vaulting off of the end of a diving board.
no

Premise: A skier slides along a metal rail.

Hypothesis: A skier is near the rail looking down.
it is not possible to tell

Premise: A man placing his hand inside the pot of a small tree as he squats behind a row of other small trees.

Hypothesis: The man is standing up straight.
no

Premise: A rock climber checks his rope before holding on to the next spot on the rock.

Hypothesis: A climber carefully climbs a rock.
yes