context: It is probably not the case that Julie is in the bedroom. Chances are slight that Emily is a mouse. It is certain that Sandra left the football.
hypothesis: It is certain that emily is a mouse, or Sandra left the football.
valid_hypothesis: It is certain that emily is a mouse, or Sandra left the football.
invalid_hypothesis: It is probably not the case that emily is a mouse, or Sandra left the football.
hypothesis_assertion: Emily is a mouse, or Sandra left the football.