context: Chances are about even that Mary moved to the office. We believe that Brian is white. We doubt that Winona is a wolf. It is impossible that if Winona is a wolf, and Mary moved to the office, then Greg is a frog. It is improbable that if either Mary moved to the office, or Brian is white, then Daniel put down the milk. It is likely that if either Mary moved to the office, or Brian is white, then Fred is in the school.
hypothesis: Chances are about even that greg is a frog, or Daniel put down the milk.
valid_hypothesis: It is highly unlikely that greg is a frog, or Daniel put down the milk.
invalid_hypothesis: Chances are about even that greg is a frog, or Daniel put down the milk.
hypothesis_assertion: Greg is a frog, or Daniel put down the milk.