context: It is highly unlikely that Greg is a swan. It is highly likely that Mary went to the kitchen. We doubt that Julius is a frog.
hypothesis: It is probably not the case that julius is a frog, or Mary went to the kitchen.
valid_hypothesis: It is highly likely that julius is a frog, or Mary went to the kitchen.
invalid_hypothesis: It is probably not the case that julius is a frog, or Mary went to the kitchen.
hypothesis_assertion: Julius is a frog, or Mary went to the kitchen.