context: There is a very good chance that Bill moved to the office. It is highly unlikely that Julius is white. It is likely that Gertrude is a wolf. Chances are slight that if Julius is white, and Gertrude is a wolf, then Brian is a frog. It is probably the case that if either Gertrude is a wolf, or Julius is white, then John went to the kitchen. We doubt that if either Bill moved to the office, or Julius is white, then Mary got the football.
hypothesis: There is a very good chance that either Julius is white, or Brian is a frog.
valid_hypothesis: It is highly unlikely that either Julius is white, or Brian is a frog.
invalid_hypothesis: There is a very good chance that either Julius is white, or Brian is a frog.
hypothesis_assertion: Either Julius is white, or Brian is a frog.