context: It is almost certain that Bernhard is a swan. There is almost no chance that Winona is a mouse. It is probable that John took the apple. There is almost no chance that if either John took the apple, or Winona is a mouse, then Lily is yellow. It is likely that if either Winona is a mouse, or John took the apple, then Mary moved to the office. There is a very good chance that if Winona is a mouse, or John took the apple, then Julius is a rhino.
hypothesis: Chances are about even that mary moved to the office, and Bernhard is a swan.
valid_hypothesis: Chances are about even that mary moved to the office, and Bernhard is a swan.
invalid_hypothesis: It is impossible that mary moved to the office, and Bernhard is a swan.
hypothesis_assertion: Mary moved to the office, and Bernhard is a swan.