context: We believe that Julius is green. Chances are about even that Sandra dropped the milk. It is impossible that Lily is a frog. We doubt that if either Sandra dropped the milk, or Julius is green, then Brian is yellow. Chances are about even that if Julius is green, and Sandra dropped the milk, then Daniel got the football. It is highly unlikely that if either Julius is green, or Sandra dropped the milk, then Mary moved to the garden.
hypothesis: It is probably the case that lily is a frog, or Daniel got the football.
valid_hypothesis: It is unlikely that lily is a frog, or Daniel got the football.
invalid_hypothesis: It is probably the case that lily is a frog, or Daniel got the football.
hypothesis_assertion: Lily is a frog, or Daniel got the football.