context: man in mid stride suspended in air, about to swing a tennis racket on a tennis court.
hypothesis: Chances are about even that man about to swing a tennis racket on a tennis court to win the game.
valid_hypothesis: Chances are about even that man about to swing a tennis racket on a tennis court to win the game.
invalid_hypothesis: It is almost certain that man about to swing a tennis racket on a tennis court to win the game.
hypothesis_assertion: Man about to swing a tennis racket on a tennis court to win the game.