context: Chances are about even that Daniel left the football. It is likely that John moved to the office. It is probably the case that Mary took the apple. Chances are about even that if Daniel left the football, and Mary took the apple, then Bernhard is yellow. There is almost no chance that if Mary took the apple, or John moved to the office, then Brian is a rhino. It is improbable that if Mary took the apple, or John moved to the office, then Winona is a cat.
hypothesis: There is almost no chance that john moved to the office, and Brian is a rhino.
valid_hypothesis: There is almost no chance that john moved to the office, and Brian is a rhino.
invalid_hypothesis: There is a better than even chance that john moved to the office, and Brian is a rhino.
hypothesis_assertion: John moved to the office, and Brian is a rhino.