context: A baseball player catching a ball as it comes to him.
hypothesis: It is impossible that a baseball player is about to make a game winning catch in left field.
valid_hypothesis: It is impossible that a baseball player is about to make a game winning catch in left field.
invalid_hypothesis: It is probable that a baseball player is about to make a game winning catch in left field.
hypothesis_assertion: A baseball player is about to make a game winning catch in left field.