context: We doubt that Sandra got the football. It is probable that Bernhard is a lion. It is improbable that Greg is yellow.
hypothesis: It is probable that bernhard is a lion, and Greg is yellow.
valid_hypothesis: It is highly unlikely that bernhard is a lion, and Greg is yellow.
invalid_hypothesis: It is probable that bernhard is a lion, and Greg is yellow.
hypothesis_assertion: Bernhard is a lion, and Greg is yellow.