context: There is a very good chance that Lily is green. It is highly unlikely that Mary went to the hallway. It is highly likely that Gertrude is a cat. It is highly unlikely that if Mary went to the hallway, and Gertrude is a cat, then Daniel dropped the milk. It is probably the case that if Lily is green, and Mary went to the hallway, then Bernhard is white. It is likely that if either Lily is green, or Gertrude is a cat, then Julius is a swan.
hypothesis: It is highly likely that either Daniel dropped the milk, or Bernhard is white.
valid_hypothesis: There is almost no chance that either Daniel dropped the milk, or Bernhard is white.
invalid_hypothesis: It is highly likely that either Daniel dropped the milk, or Bernhard is white.
hypothesis_assertion: Either Daniel dropped the milk, or Bernhard is white.