context: Chances are about even that John put down the milk. It is impossible that Lily is white. It is highly likely that Julius is a lion. It is probably the case that if either John put down the milk, or Julius is a lion, then Mary moved to the office. We believe that if John put down the milk, or Lily is white, then Daniel left the football. There is almost no chance that if either Lily is white, or John put down the milk, then Bill is in the school.
hypothesis: It is highly likely that julius is a lion, or Bill is in the school.
valid_hypothesis: It is highly likely that julius is a lion, or Bill is in the school.
invalid_hypothesis: There is little chance that julius is a lion, or Bill is in the school.
hypothesis_assertion: Julius is a lion, or Bill is in the school.