Chances are slight that Greg is green. It is almost certain that Lily is a frog. There is little chance that John went to the hallway. It is highly unlikely that if Lily is a frog, or John went to the hallway, then Mary put down the apple. It is impossible that if John went to the hallway, or Lily is a frog, then Julius is a lion. It is certain that if John went to the hallway, and Lily is a frog, then Sandra got the milk.
It is improbable that either Mary put down the apple, or Sandra got the milk.
It is improbable that either Mary put down the apple, or Sandra got the milk.
It is probable that either Mary put down the apple, or Sandra got the milk.
Either Mary put down the apple, or Sandra got the milk.