context: We doubt that Emily is a cat. We doubt that Brian is white. We believe that Mary moved to the garden.
hypothesis: It is probably not the case that emily is a cat, or Brian is white.
valid_hypothesis: It is probably not the case that emily is a cat, or Brian is white.
invalid_hypothesis: It is probable that emily is a cat, or Brian is white.
hypothesis_assertion: Emily is a cat, or Brian is white.