context: It is improbable that Julius is a rhino. It is probably the case that John took the apple. It is probably the case that Brian is green. Chances are about even that if either John took the apple, or Brian is green, then Jeff moved to the office. It is probable that if Julius is a rhino, or Brian is green, then Bernhard is a swan. It is improbable that if John took the apple, and Julius is a rhino, then Lily is gray.
hypothesis: It is probable that lily is gray, or Julius is a rhino.
valid_hypothesis: Chances are slight that lily is gray, or Julius is a rhino.
invalid_hypothesis: It is probable that lily is gray, or Julius is a rhino.
hypothesis_assertion: Lily is gray, or Julius is a rhino.