context: It is certain that Mary got the milk. It is probably the case that John left the apple. There is a very good chance that Julius is yellow. It is almost certain that if either Mary got the milk, or John left the apple, then Emily is a sheep. Chances are slight that if Mary got the milk, or John left the apple, then Lily is a frog. We believe that if Julius is yellow, and John left the apple, then Greg is a swan.
hypothesis: It is probably the case that lily is a frog, and Mary got the milk.
valid_hypothesis: It is improbable that lily is a frog, and Mary got the milk.
invalid_hypothesis: It is probably the case that lily is a frog, and Mary got the milk.
hypothesis_assertion: Lily is a frog, and Mary got the milk.