context: There is a very good chance that Bill dropped the milk. It is unlikely that Mary left the apple. It is certain that Bernhard is a frog. It is almost certain that if either Bill dropped the milk, or Bernhard is a frog, then Lily is a rhino. There is a better than even chance that if either Bernhard is a frog, or Mary left the apple, then Brian is white. It is certain that if Bernhard is a frog, and Bill dropped the milk, then Julius is a swan.
hypothesis: It is likely that either Mary left the apple, or Bill dropped the milk.
valid_hypothesis: It is likely that either Mary left the apple, or Bill dropped the milk.
invalid_hypothesis: It is improbable that either Mary left the apple, or Bill dropped the milk.
hypothesis_assertion: Either Mary left the apple, or Bill dropped the milk.