context: There is almost no chance that Bill is in the school. There is little chance that John took the milk. Chances are slight that Greg is green.
hypothesis: There is little chance that either John took the milk, or Bill is in the school.
valid_hypothesis: There is little chance that either John took the milk, or Bill is in the school.
invalid_hypothesis: It is probably the case that either John took the milk, or Bill is in the school.
hypothesis_assertion: Either John took the milk, or Bill is in the school.