context: There is almost no chance that John went to the hallway. It is probably not the case that Daniel is in the garden. Chances are slight that Gertrude is a mouse. It is highly unlikely that if John went to the hallway, and Gertrude is a mouse, then Sandra put down the milk. There is little chance that if Daniel is in the garden, and Gertrude is a mouse, then Julius is white. It is highly likely that if Daniel is in the garden, and Gertrude is a mouse, then Lily is yellow.
hypothesis: It is impossible that julius is white, and Gertrude is a mouse.
valid_hypothesis: It is impossible that julius is white, and Gertrude is a mouse.
invalid_hypothesis: It is probable that julius is white, and Gertrude is a mouse.
hypothesis_assertion: Julius is white, and Gertrude is a mouse.