context: It is improbable that Julius is a lion. It is highly likely that Greg is yellow. It is certain that Winona is a wolf. There is a very good chance that if Julius is a lion, or Greg is yellow, then Mary dropped the milk. There is little chance that if Greg is yellow, or Winona is a wolf, then Bill went to the kitchen. There is little chance that if Greg is yellow, and Julius is a lion, then Brian is green.
hypothesis: We believe that julius is a lion, or Mary dropped the milk.
valid_hypothesis: We believe that julius is a lion, or Mary dropped the milk.
invalid_hypothesis: It is improbable that julius is a lion, or Mary dropped the milk.
hypothesis_assertion: Julius is a lion, or Mary dropped the milk.