context: It is almost certain that Bernhard is a lion. There is almost no chance that Brian is green. It is probable that Greg is yellow. It is probably not the case that if either Greg is yellow, or Bernhard is a lion, then Julius is a frog. There is almost no chance that if Brian is green, or Bernhard is a lion, then Mary is in the bedroom. It is highly unlikely that if either Bernhard is a lion, or Brian is green, then John went to the kitchen.
hypothesis: There is little chance that either Brian is green, or Bernhard is a lion.
valid_hypothesis: It is almost certain that either Brian is green, or Bernhard is a lion.
invalid_hypothesis: There is little chance that either Brian is green, or Bernhard is a lion.
hypothesis_assertion: Either Brian is green, or Bernhard is a lion.