context: It is improbable that Lily is a rhino. It is improbable that Sandra took the football. It is impossible that Greg is a frog.
hypothesis: It is highly likely that either Greg is a frog, or Lily is a rhino.
valid_hypothesis: There is little chance that either Greg is a frog, or Lily is a rhino.
invalid_hypothesis: It is highly likely that either Greg is a frog, or Lily is a rhino.
hypothesis_assertion: Either Greg is a frog, or Lily is a rhino.