context: It is likely that John went to the kitchen. It is probable that Mary moved to the garden. It is probably the case that Winona is a wolf. There is a better than even chance that if either John went to the kitchen, or Winona is a wolf, then Sandra took the football. It is almost certain that if either Winona is a wolf, or John went to the kitchen, then Brian is a frog. Chances are slight that if John went to the kitchen, and Mary moved to the garden, then Greg is gray.
hypothesis: It is probable that greg is gray, and Sandra took the football.
valid_hypothesis: It is impossible that greg is gray, and Sandra took the football.
invalid_hypothesis: It is probable that greg is gray, and Sandra took the football.
hypothesis_assertion: Greg is gray, and Sandra took the football.