context: It is highly unlikely that Julie is in the kitchen. Chances are slight that Greg is gray. Chances are slight that Mary left the football.
hypothesis: It is probably the case that greg is gray, and Mary left the football.
valid_hypothesis: There is almost no chance that greg is gray, and Mary left the football.
invalid_hypothesis: It is probably the case that greg is gray, and Mary left the football.
hypothesis_assertion: Greg is gray, and Mary left the football.