context: It is almost certain that Brian is yellow. We believe that Bill went to the hallway. It is almost certain that Greg is a lion.
hypothesis: It is improbable that greg is a lion, or Bill went to the hallway.
valid_hypothesis: It is certain that greg is a lion, or Bill went to the hallway.
invalid_hypothesis: It is improbable that greg is a lion, or Bill went to the hallway.
hypothesis_assertion: Greg is a lion, or Bill went to the hallway.