context: It is likely that Emily is a mouse. There is a better than even chance that Daniel left the milk. It is highly likely that John went to the bedroom. It is highly likely that if Emily is a mouse, or Daniel left the milk, then Mary dropped the milk. It is almost certain that if Daniel left the milk, or John went to the bedroom, then Julius is green. There is little chance that if either John went to the bedroom, or Emily is a mouse, then Greg is gray.
hypothesis: It is probable that either Mary dropped the milk, or Emily is a mouse.
valid_hypothesis: It is probably not the case that either Mary dropped the milk, or Emily is a mouse.
invalid_hypothesis: It is probable that either Mary dropped the milk, or Emily is a mouse.
hypothesis_assertion: Either Mary dropped the milk, or Emily is a mouse.