context: Chances are slight that Winona is a sheep. There is almost no chance that Mary moved to the office. There is a very good chance that Greg is gray. It is almost certain that if Greg is gray, or Winona is a sheep, then Sandra left the milk. It is improbable that if Winona is a sheep, or Mary moved to the office, then Julius is a swan. There is little chance that if either Greg is gray, or Mary moved to the office, then Brian is a frog.
hypothesis: It is improbable that greg is gray, or Sandra left the milk.
valid_hypothesis: There is a very good chance that greg is gray, or Sandra left the milk.
invalid_hypothesis: It is improbable that greg is gray, or Sandra left the milk.
hypothesis_assertion: Greg is gray, or Sandra left the milk.