context: Chances are about even that Julius is green. It is highly likely that John left the football. It is almost certain that Fred went to the hallway. There is little chance that if Fred went to the hallway, and Julius is green, then Greg is a rhino. Chances are slight that if John left the football, or Fred went to the hallway, then Mary picked up the milk. There is almost no chance that if John left the football, or Fred went to the hallway, then Daniel dropped the apple.
hypothesis: Chances are about even that john left the football, and Julius is green.
valid_hypothesis: Chances are about even that john left the football, and Julius is green.
invalid_hypothesis: It is impossible that john left the football, and Julius is green.
hypothesis_assertion: John left the football, and Julius is green.