context: We doubt that John went to the hallway. It is probably the case that Julius is a frog. We believe that Brian is a lion.
hypothesis: We believe that brian is a lion, and John went to the hallway.
valid_hypothesis: It is improbable that brian is a lion, and John went to the hallway.
invalid_hypothesis: We believe that brian is a lion, and John went to the hallway.
hypothesis_assertion: Brian is a lion, and John went to the hallway.