context: There is almost no chance that Julius is green. We believe that Greg is a lion. We doubt that Brian is a frog. It is probably the case that if Brian is a frog, and Julius is green, then Fred went to the kitchen. It is probable that if Brian is a frog, and Greg is a lion, then Bill is in the kitchen. It is improbable that if either Julius is green, or Brian is a frog, then Bernhard is a lion.
hypothesis: We believe that greg is a lion, or Julius is green.
valid_hypothesis: We believe that greg is a lion, or Julius is green.
invalid_hypothesis: It is unlikely that greg is a lion, or Julius is green.
hypothesis_assertion: Greg is a lion, or Julius is green.