context: Chances are slight that Jessica is a wolf. There is a very good chance that Daniel left the football. There is a very good chance that John moved to the office. We doubt that if either John moved to the office, or Daniel left the football, then Greg is a swan. It is improbable that if either Jessica is a wolf, or John moved to the office, then Julius is a frog. It is highly unlikely that if John moved to the office, or Jessica is a wolf, then Mary is in the bedroom.
hypothesis: It is probable that julius is a frog, or Greg is a swan.
valid_hypothesis: Chances are slight that julius is a frog, or Greg is a swan.
invalid_hypothesis: It is probable that julius is a frog, or Greg is a swan.
hypothesis_assertion: Julius is a frog, or Greg is a swan.