Chances are slight that Jessica is a cat. Chances are about even that John put down the milk. There is a very good chance that Sumit is thirsty. It is certain that if John put down the milk, or Jessica is a cat, then Mary went to the garden. There is almost no chance that if either John put down the milk, or Jessica is a cat, then Bernhard is a swan. It is impossible that if either John put down the milk, or Sumit is thirsty, then Brian is green.
Chances are about even that either Mary went to the garden, or Jessica is a cat.
Chances are about even that either Mary went to the garden, or Jessica is a cat.
It is certain that either Mary went to the garden, or Jessica is a cat.
Either Mary went to the garden, or Jessica is a cat.