context: It is highly unlikely that Brian is a rhino. Chances are slight that Jeff discarded the apple. It is probably not the case that Julie is in the kitchen.
hypothesis: There is almost no chance that brian is a rhino, and Julie is in the kitchen.
valid_hypothesis: There is almost no chance that brian is a rhino, and Julie is in the kitchen.
invalid_hypothesis: It is highly likely that brian is a rhino, and Julie is in the kitchen.
hypothesis_assertion: Brian is a rhino, and Julie is in the kitchen.