context: We believe that Sandra took the milk. Chances are slight that Julius is a frog. It is probable that Mary went to the hallway. It is highly likely that if either Julius is a frog, or Sandra took the milk, then John left the football. It is unlikely that if Mary went to the hallway, and Sandra took the milk, then Bernhard is yellow. It is highly unlikely that if Sandra took the milk, and Mary went to the hallway, then Lily is a rhino.
hypothesis: We believe that julius is a frog, or Bernhard is yellow.
valid_hypothesis: It is unlikely that julius is a frog, or Bernhard is yellow.
invalid_hypothesis: We believe that julius is a frog, or Bernhard is yellow.
hypothesis_assertion: Julius is a frog, or Bernhard is yellow.