context: It is certain that Greg is green. There is a better than even chance that Lily is a frog. There is a very good chance that Bernhard is gray. It is certain that if Greg is green, or Bernhard is gray, then John took the apple. It is highly likely that if Lily is a frog, and Bernhard is gray, then Daniel is in the garden. There is a very good chance that if Greg is green, and Lily is a frog, then Julius is gray.
hypothesis: Chances are about even that either Julius is gray, or John took the apple.
valid_hypothesis: Chances are about even that either Julius is gray, or John took the apple.
invalid_hypothesis: It is impossible that either Julius is gray, or John took the apple.
hypothesis_assertion: Either Julius is gray, or John took the apple.