context: It is almost certain that Lily is a frog. It is probably not the case that Julius is a rhino. It is impossible that Sandra left the football.
hypothesis: We believe that julius is a rhino, or Sandra left the football.
valid_hypothesis: It is probably not the case that julius is a rhino, or Sandra left the football.
invalid_hypothesis: We believe that julius is a rhino, or Sandra left the football.
hypothesis_assertion: Julius is a rhino, or Sandra left the football.