context: There is a very good chance that Mary left the apple. There is a very good chance that John took the football. It is probably the case that Lily is a swan.
hypothesis: There is a better than even chance that lily is a swan, and Mary left the apple.
valid_hypothesis: There is a better than even chance that lily is a swan, and Mary left the apple.
invalid_hypothesis: It is improbable that lily is a swan, and Mary left the apple.
hypothesis_assertion: Lily is a swan, and Mary left the apple.