context: There is a better than even chance that Greg is green. It is certain that John went to the hallway. It is improbable that Mary got the apple.
hypothesis: There is a better than even chance that greg is green, and John went to the hallway.
valid_hypothesis: There is a better than even chance that greg is green, and John went to the hallway.
invalid_hypothesis: It is improbable that greg is green, and John went to the hallway.
hypothesis_assertion: Greg is green, and John went to the hallway.