context: It is almost certain that Greg is a frog. It is impossible that Jeff went to the garden. It is improbable that Lily is a frog. It is improbable that if either Lily is a frog, or Greg is a frog, then Mary dropped the milk. It is probably the case that if Jeff went to the garden, or Lily is a frog, then Winona is a cat. We believe that if Jeff went to the garden, or Greg is a frog, then Sandra grabbed the apple.
hypothesis: It is improbable that mary dropped the milk, or Jeff went to the garden.
valid_hypothesis: It is improbable that mary dropped the milk, or Jeff went to the garden.
invalid_hypothesis: There is a better than even chance that mary dropped the milk, or Jeff went to the garden.
hypothesis_assertion: Mary dropped the milk, or Jeff went to the garden.