context: It is likely that Lily is a rhino. It is unlikely that John took the apple. Chances are slight that Mary moved to the office. There is a better than even chance that if either Lily is a rhino, or Mary moved to the office, then Greg is white. It is almost certain that if Mary moved to the office, or Lily is a rhino, then Sandra dropped the milk. There is a better than even chance that if either Lily is a rhino, or John took the apple, then Fred went to the kitchen.
hypothesis: It is probable that lily is a rhino, and Fred went to the kitchen.
valid_hypothesis: It is probably not the case that lily is a rhino, and Fred went to the kitchen.
invalid_hypothesis: It is probable that lily is a rhino, and Fred went to the kitchen.
hypothesis_assertion: Lily is a rhino, and Fred went to the kitchen.