context: It is probably not the case that Julius is a rhino. It is probably the case that Brian is white. There is almost no chance that Greg is yellow.
hypothesis: It is highly likely that either Julius is a rhino, or Greg is yellow.
valid_hypothesis: It is probably not the case that either Julius is a rhino, or Greg is yellow.
invalid_hypothesis: It is highly likely that either Julius is a rhino, or Greg is yellow.
hypothesis_assertion: Either Julius is a rhino, or Greg is yellow.