context: There is little chance that Brian is a frog. It is highly unlikely that Mary went to the kitchen. Chances are slight that Julius is green.
hypothesis: There is a better than even chance that mary went to the kitchen, and Brian is a frog.
valid_hypothesis: It is impossible that mary went to the kitchen, and Brian is a frog.
invalid_hypothesis: There is a better than even chance that mary went to the kitchen, and Brian is a frog.
hypothesis_assertion: Mary went to the kitchen, and Brian is a frog.