context: There is little chance that Lily is a lion. We doubt that John went to the garden. It is improbable that Greg is a frog.
hypothesis: It is probably not the case that either Greg is a frog, or John went to the garden.
valid_hypothesis: It is probably not the case that either Greg is a frog, or John went to the garden.
invalid_hypothesis: It is highly likely that either Greg is a frog, or John went to the garden.
hypothesis_assertion: Either Greg is a frog, or John went to the garden.