Chances are slight that Mary put down the milk. There is little chance that Fred moved to the office. It is almost certain that Jessica is a wolf. There is a better than even chance that if Jessica is a wolf, and Fred moved to the office, then John picked up the apple. It is certain that if Jessica is a wolf, and Mary put down the milk, then Greg is a frog. It is improbable that if either Fred moved to the office, or Mary put down the milk, then Bernhard is green.
There is a very good chance that either Fred moved to the office, or Mary put down the milk.
We doubt that either Fred moved to the office, or Mary put down the milk.
There is a very good chance that either Fred moved to the office, or Mary put down the milk.
Either Fred moved to the office, or Mary put down the milk.