context: There is almost no chance that Greg is white. There is little chance that Julius is a rhino. There is little chance that Lily is a lion.
hypothesis: Chances are about even that julius is a rhino, and Greg is white.
valid_hypothesis: It is impossible that julius is a rhino, and Greg is white.
invalid_hypothesis: Chances are about even that julius is a rhino, and Greg is white.
hypothesis_assertion: Julius is a rhino, and Greg is white.