context: It is highly likely that Lily is a swan. It is probably the case that Jessica is a cat. We doubt that Mary left the apple.
hypothesis: It is certain that mary left the apple, and Jessica is a cat.
valid_hypothesis: It is improbable that mary left the apple, and Jessica is a cat.
invalid_hypothesis: It is certain that mary left the apple, and Jessica is a cat.
hypothesis_assertion: Mary left the apple, and Jessica is a cat.