context: Chances are slight that Julius is a rhino. It is improbable that Greg is a frog. It is likely that Mary moved to the garden.
hypothesis: We doubt that either Mary moved to the garden, or Julius is a rhino.
valid_hypothesis: It is probable that either Mary moved to the garden, or Julius is a rhino.
invalid_hypothesis: We doubt that either Mary moved to the garden, or Julius is a rhino.
hypothesis_assertion: Either Mary moved to the garden, or Julius is a rhino.