context: It is certain that Jason is bored. We believe that Fred dropped the apple. We believe that John left the football. It is improbable that if either Jason is bored, or John left the football, then Mary got the football. It is almost certain that if John left the football, or Fred dropped the apple, then Jessica is a mouse. There is little chance that if Fred dropped the apple, or John left the football, then Brian is a lion.
hypothesis: It is certain that john left the football, or Jason is bored.
valid_hypothesis: It is certain that john left the football, or Jason is bored.
invalid_hypothesis: Chances are slight that john left the football, or Jason is bored.
hypothesis_assertion: John left the football, or Jason is bored.