context: It is unlikely that Lily is green. It is probably the case that Julius is a rhino. It is probably not the case that Mary went to the office. Chances are about even that if either Mary went to the office, or Julius is a rhino, then Bernhard is white. Chances are slight that if Julius is a rhino, and Lily is green, then John picked up the apple. There is almost no chance that if Mary went to the office, and Lily is green, then Greg is a frog.
hypothesis: It is probable that john picked up the apple, or Julius is a rhino.
valid_hypothesis: It is probable that john picked up the apple, or Julius is a rhino.
invalid_hypothesis: It is improbable that john picked up the apple, or Julius is a rhino.
hypothesis_assertion: John picked up the apple, or Julius is a rhino.