context: It is likely that Lily is a rhino. It is improbable that Julius is a frog. Chances are slight that Mary left the milk.
hypothesis: It is almost certain that mary left the milk, or Julius is a frog.
valid_hypothesis: We doubt that mary left the milk, or Julius is a frog.
invalid_hypothesis: It is almost certain that mary left the milk, or Julius is a frog.
hypothesis_assertion: Mary left the milk, or Julius is a frog.