context: It is probably not the case that John got the apple. It is probably the case that Sandra dropped the milk. We doubt that Mary moved to the garden. It is probably not the case that if Sandra dropped the milk, and John got the apple, then Brian is green. There is a very good chance that if either John got the apple, or Mary moved to the garden, then Julius is white. It is impossible that if either Mary moved to the garden, or John got the apple, then Lily is a frog.
hypothesis: It is probably the case that either Mary moved to the garden, or Lily is a frog.
valid_hypothesis: We doubt that either Mary moved to the garden, or Lily is a frog.
invalid_hypothesis: It is probably the case that either Mary moved to the garden, or Lily is a frog.
hypothesis_assertion: Either Mary moved to the garden, or Lily is a frog.