context: It is highly likely that Mary went to the kitchen. It is almost certain that Daniel left the apple. Chances are slight that Fred dropped the apple. It is likely that if Daniel left the apple, or Fred dropped the apple, then Greg is a swan. It is almost certain that if Daniel left the apple, and Fred dropped the apple, then Lily is a frog. It is impossible that if Daniel left the apple, and Fred dropped the apple, then Brian is a rhino.
hypothesis: There is a better than even chance that fred dropped the apple, or Lily is a frog.
valid_hypothesis: Chances are slight that fred dropped the apple, or Lily is a frog.
invalid_hypothesis: There is a better than even chance that fred dropped the apple, or Lily is a frog.
hypothesis_assertion: Fred dropped the apple, or Lily is a frog.