context: There is little chance that Bernhard is green. There is a very good chance that Lily is white. It is highly likely that John left the football. We doubt that if Bernhard is green, or Lily is white, then Emily is a sheep. We doubt that if either Bernhard is green, or Lily is white, then Greg is yellow. We doubt that if John left the football, or Bernhard is green, then Mary dropped the apple.
hypothesis: It is probably not the case that either Mary dropped the apple, or Greg is yellow.
valid_hypothesis: It is probably not the case that either Mary dropped the apple, or Greg is yellow.
invalid_hypothesis: It is certain that either Mary dropped the apple, or Greg is yellow.
hypothesis_assertion: Either Mary dropped the apple, or Greg is yellow.