context: There is a very good chance that Emily is a wolf. It is certain that Mary dropped the apple. Chances are about even that Lily is a frog. There is a very good chance that if either Mary dropped the apple, or Lily is a frog, then Greg is a swan. It is almost certain that if either Mary dropped the apple, or Emily is a wolf, then Jessica is a wolf. It is highly unlikely that if Emily is a wolf, or Lily is a frog, then John went to the garden.
hypothesis: There is a very good chance that either Mary dropped the apple, or Jessica is a wolf.
valid_hypothesis: There is a very good chance that either Mary dropped the apple, or Jessica is a wolf.
invalid_hypothesis: We doubt that either Mary dropped the apple, or Jessica is a wolf.
hypothesis_assertion: Either Mary dropped the apple, or Jessica is a wolf.