context: There is almost no chance that Sandra took the apple. Chances are about even that Greg is a lion. It is likely that Lily is a rhino.
hypothesis: We believe that greg is a lion, and Lily is a rhino.
valid_hypothesis: It is probably not the case that greg is a lion, and Lily is a rhino.
invalid_hypothesis: We believe that greg is a lion, and Lily is a rhino.
hypothesis_assertion: Greg is a lion, and Lily is a rhino.