context: There is little chance that Greg is green. There is little chance that Mary picked up the apple. It is highly unlikely that Julius is a frog.
hypothesis: There is a better than even chance that greg is green, and Julius is a frog.
valid_hypothesis: It is impossible that greg is green, and Julius is a frog.
invalid_hypothesis: There is a better than even chance that greg is green, and Julius is a frog.
hypothesis_assertion: Greg is green, and Julius is a frog.