context: Chances are about even that Bill moved to the garden. It is probably the case that Sandra got the milk. It is impossible that Greg is yellow. There is almost no chance that if either Sandra got the milk, or Bill moved to the garden, then Bernhard is a swan. It is probably the case that if Greg is yellow, or Bill moved to the garden, then Emily is a wolf. It is probably the case that if either Sandra got the milk, or Bill moved to the garden, then Mary went to the kitchen.
hypothesis: Chances are slight that sandra got the milk, or Greg is yellow.
valid_hypothesis: It is likely that sandra got the milk, or Greg is yellow.
invalid_hypothesis: Chances are slight that sandra got the milk, or Greg is yellow.
hypothesis_assertion: Sandra got the milk, or Greg is yellow.