context: It is probable that Antoine is thirsty. We believe that Bernhard is a frog. It is probable that Greg is yellow.
hypothesis: It is impossible that greg is yellow, or Antoine is thirsty.
valid_hypothesis: It is highly likely that greg is yellow, or Antoine is thirsty.
invalid_hypothesis: It is impossible that greg is yellow, or Antoine is thirsty.
hypothesis_assertion: Greg is yellow, or Antoine is thirsty.