Premise: A smiling hiker removing his boot on a hillside.

Hypothesis: Someone is hiking
yes

Premise: The Red Sox outfielder catches a fly baseball with his glove.

Hypothesis: Dustin Pedroia catches an infield fly.
it is not possible to tell

Premise: Two soccer players going after the soccer ball.

Hypothesis: The soccer players were watching the ball.
yes

Premise: A man in a blue and black jersey and missing one foot hits a volleyball from a sitting position.

Hypothesis: A man missing his foot plays volleyball sitting down.
yes