context: It is probably the case that Julius is white. There is a better than even chance that Jeff moved to the office. It is probably not the case that Greg is white. It is probably not the case that if either Greg is white, or Jeff moved to the office, then Lily is a lion. Chances are about even that if Julius is white, and Greg is white, then Sandra took the milk. There is almost no chance that if Greg is white, and Jeff moved to the office, then Bill went to the garden.
hypothesis: It is probably the case that sandra took the milk, or Julius is white.
valid_hypothesis: It is probably the case that sandra took the milk, or Julius is white.
invalid_hypothesis: There is little chance that sandra took the milk, or Julius is white.
hypothesis_assertion: Sandra took the milk, or Julius is white.