context: It is improbable that Lily is a rhino. Chances are about even that Mary put down the apple. It is probably not the case that Julius is gray.
hypothesis: It is probably the case that lily is a rhino, and Julius is gray.
valid_hypothesis: There is almost no chance that lily is a rhino, and Julius is gray.
invalid_hypothesis: It is probably the case that lily is a rhino, and Julius is gray.
hypothesis_assertion: Lily is a rhino, and Julius is gray.