context: It is unlikely that John picked up the apple. It is impossible that Greg is gray. It is probably the case that Mary went to the kitchen. It is probably not the case that if Mary went to the kitchen, and John picked up the apple, then Bernhard is a rhino. It is almost certain that if either Greg is gray, or Mary went to the kitchen, then Julius is a frog. It is likely that if either John picked up the apple, or Mary went to the kitchen, then Brian is yellow.
hypothesis: We believe that brian is yellow, or Julius is a frog.
valid_hypothesis: We believe that brian is yellow, or Julius is a frog.
invalid_hypothesis: It is improbable that brian is yellow, or Julius is a frog.
hypothesis_assertion: Brian is yellow, or Julius is a frog.