context: It is certain that Greg is a frog. It is likely that Lily is white. We believe that Fred left the football. It is probably the case that if Greg is a frog, and Lily is white, then Daniel dropped the apple. Chances are about even that if Lily is white, or Fred left the football, then Jessica is a mouse. It is highly likely that if Fred left the football, or Greg is a frog, then John put down the milk.
hypothesis: Chances are about even that either Daniel dropped the apple, or John put down the milk.
valid_hypothesis: Chances are about even that either Daniel dropped the apple, or John put down the milk.
invalid_hypothesis: It is impossible that either Daniel dropped the apple, or John put down the milk.
hypothesis_assertion: Either Daniel dropped the apple, or John put down the milk.