context: It is certain that Greg is white. It is highly likely that Bernhard is gray. There is little chance that John took the apple. We doubt that if Bernhard is gray, and Greg is white, then Daniel left the football. It is probable that if Greg is white, or John took the apple, then Lily is a frog. It is impossible that if John took the apple, and Bernhard is gray, then Julius is green.
hypothesis: It is certain that daniel left the football, or Julius is green.
valid_hypothesis: It is unlikely that daniel left the football, or Julius is green.
invalid_hypothesis: It is certain that daniel left the football, or Julius is green.
hypothesis_assertion: Daniel left the football, or Julius is green.