context: It is almost certain that Bernhard is a frog. It is highly likely that Greg is a rhino. It is certain that John went to the hallway. It is improbable that if Greg is a rhino, and Bernhard is a frog, then Daniel left the football. It is highly likely that if either John went to the hallway, or Bernhard is a frog, then Bill dropped the milk. We believe that if Greg is a rhino, or John went to the hallway, then Lily is white.
hypothesis: We believe that either Lily is white, or Bill dropped the milk.
valid_hypothesis: We believe that either Lily is white, or Bill dropped the milk.
invalid_hypothesis: There is little chance that either Lily is white, or Bill dropped the milk.
hypothesis_assertion: Either Lily is white, or Bill dropped the milk.