context: Chances are slight that Brian is white. There is little chance that Julius is a frog. It is likely that John moved to the garden. Chances are slight that if Julius is a frog, or Brian is white, then Mary put down the milk. Chances are about even that if either Brian is white, or Julius is a frog, then Sandra got the football. It is probably not the case that if Brian is white, or John moved to the garden, then Bernhard is a lion.
hypothesis: It is probably the case that brian is white, or Bernhard is a lion.
valid_hypothesis: It is probably not the case that brian is white, or Bernhard is a lion.
invalid_hypothesis: It is probably the case that brian is white, or Bernhard is a lion.
hypothesis_assertion: Brian is white, or Bernhard is a lion.