context: It is impossible that Bernhard is a frog. It is highly unlikely that Brian is a frog. It is almost certain that Antoine is bored. It is probably not the case that if Bernhard is a frog, or Antoine is bored, then Sandra took the apple. It is improbable that if Bernhard is a frog, and Brian is a frog, then Greg is gray. We believe that if Antoine is bored, and Brian is a frog, then Mary got the football.
hypothesis: There is a very good chance that greg is gray, or Mary got the football.
valid_hypothesis: It is highly unlikely that greg is gray, or Mary got the football.
invalid_hypothesis: There is a very good chance that greg is gray, or Mary got the football.
hypothesis_assertion: Greg is gray, or Mary got the football.