context: Chances are slight that Mary got the football. It is almost certain that Daniel is in the garden. It is probably the case that Julius is a frog.
hypothesis: It is highly unlikely that mary got the football, and Julius is a frog.
valid_hypothesis: It is highly unlikely that mary got the football, and Julius is a frog.
invalid_hypothesis: It is certain that mary got the football, and Julius is a frog.
hypothesis_assertion: Mary got the football, and Julius is a frog.