context: Blond tennis player pauses to view the crowd.
hypothesis: Chances are about even that a tennis player is getting anxious because all the people are watching.
valid_hypothesis: Chances are about even that a tennis player is getting anxious because all the people are watching.
invalid_hypothesis: It is highly unlikely that a tennis player is getting anxious because all the people are watching.
hypothesis_assertion: A tennis player is getting anxious because all the people are watching.