context: It is impossible that Greg is white. It is likely that Bernhard is yellow. It is probable that Mary went to the kitchen. There is a very good chance that if Bernhard is yellow, or Mary went to the kitchen, then Julius is a lion. There is little chance that if Bernhard is yellow, and Mary went to the kitchen, then John left the apple. It is unlikely that if Greg is white, and Mary went to the kitchen, then Daniel put down the milk.
hypothesis: It is probably not the case that either Julius is a lion, or Bernhard is yellow.
valid_hypothesis: It is probably not the case that either Julius is a lion, or Bernhard is yellow.
invalid_hypothesis: There is a very good chance that either Julius is a lion, or Bernhard is yellow.
hypothesis_assertion: Either Julius is a lion, or Bernhard is yellow.