context: It is probably the case that Fred moved to the office. There is almost no chance that Mary put down the apple. It is highly unlikely that Julius is yellow.
hypothesis: There is a better than even chance that mary put down the apple, and Julius is yellow.
valid_hypothesis: It is impossible that mary put down the apple, and Julius is yellow.
invalid_hypothesis: There is a better than even chance that mary put down the apple, and Julius is yellow.
hypothesis_assertion: Mary put down the apple, and Julius is yellow.