context: There is a better than even chance that Bernhard is a frog. There is a very good chance that John went to the kitchen. Chances are slight that Lily is yellow. It is improbable that if either Bernhard is a frog, or Lily is yellow, then Mary moved to the office. It is impossible that if Lily is yellow, or John went to the kitchen, then Greg is a swan. It is likely that if Lily is yellow, or John went to the kitchen, then Bill is in the school.
hypothesis: It is impossible that mary moved to the office, and Lily is yellow.
valid_hypothesis: It is impossible that mary moved to the office, and Lily is yellow.
invalid_hypothesis: There is a very good chance that mary moved to the office, and Lily is yellow.
hypothesis_assertion: Mary moved to the office, and Lily is yellow.