context: It is highly unlikely that John went to the hallway. It is probable that Brian is a frog. We doubt that Mary moved to the garden.
hypothesis: It is highly unlikely that brian is a frog, or Mary moved to the garden.
valid_hypothesis: We believe that brian is a frog, or Mary moved to the garden.
invalid_hypothesis: It is highly unlikely that brian is a frog, or Mary moved to the garden.
hypothesis_assertion: Brian is a frog, or Mary moved to the garden.