context: We believe that Lily is a rhino. There is a better than even chance that Julius is a frog. It is unlikely that Greg is green.
hypothesis: It is probable that greg is green, or Julius is a frog.
valid_hypothesis: It is probable that greg is green, or Julius is a frog.
invalid_hypothesis: It is unlikely that greg is green, or Julius is a frog.
hypothesis_assertion: Greg is green, or Julius is a frog.