context: It is probably not the case that John got the apple. It is highly unlikely that Gertrude is a sheep. There is almost no chance that Lily is green. We doubt that if either Gertrude is a sheep, or Lily is green, then Emily is a mouse. It is probably the case that if Lily is green, or John got the apple, then Brian is a lion. There is a very good chance that if Gertrude is a sheep, or John got the apple, then Julius is a rhino.
hypothesis: It is probable that either Lily is green, or Julius is a rhino.
valid_hypothesis: It is probably not the case that either Lily is green, or Julius is a rhino.
invalid_hypothesis: It is probable that either Lily is green, or Julius is a rhino.
hypothesis_assertion: Either Lily is green, or Julius is a rhino.