context: It is impossible that Jessica is a cat. It is improbable that Brian is green. We doubt that Emily is a sheep.
hypothesis: It is almost certain that emily is a sheep, and Brian is green.
valid_hypothesis: There is almost no chance that emily is a sheep, and Brian is green.
invalid_hypothesis: It is almost certain that emily is a sheep, and Brian is green.
hypothesis_assertion: Emily is a sheep, and Brian is green.