context: Chances are about even that Julius is a rhino. Chances are about even that Bernhard is a frog. There is a better than even chance that Sandra took the milk. It is probable that if either Julius is a rhino, or Bernhard is a frog, then Brian is white. It is probably the case that if Bernhard is a frog, and Sandra took the milk, then Mary went to the bedroom. It is probably the case that if either Bernhard is a frog, or Julius is a rhino, then John moved to the office.
hypothesis: We believe that sandra took the milk, or Brian is white.
valid_hypothesis: We believe that sandra took the milk, or Brian is white.
invalid_hypothesis: It is highly unlikely that sandra took the milk, or Brian is white.
hypothesis_assertion: Sandra took the milk, or Brian is white.