context: There is little chance that Daniel left the apple. It is probably the case that John picked up the milk. Chances are slight that Mary moved to the office. There is almost no chance that if either Daniel left the apple, or John picked up the milk, then Jeff dropped the apple. It is probably the case that if Mary moved to the office, or John picked up the milk, then Brian is green. There is little chance that if Mary moved to the office, or Daniel left the apple, then Julius is a lion.
hypothesis: Chances are about even that either Brian is green, or Julius is a lion.
valid_hypothesis: Chances are about even that either Brian is green, or Julius is a lion.
invalid_hypothesis: There is almost no chance that either Brian is green, or Julius is a lion.
hypothesis_assertion: Either Brian is green, or Julius is a lion.