context: It is almost certain that Lily is a rhino. It is highly likely that Brian is a frog. It is probably the case that John moved to the garden.
hypothesis: It is certain that brian is a frog, or Lily is a rhino.
valid_hypothesis: It is certain that brian is a frog, or Lily is a rhino.
invalid_hypothesis: It is improbable that brian is a frog, or Lily is a rhino.
hypothesis_assertion: Brian is a frog, or Lily is a rhino.