It is probably the case that Greg is green. It is highly unlikely that Lily is a lion. There is almost no chance that Fred is in the kitchen. It is almost certain that if Greg is green, and Lily is a lion, then Julius is a swan. It is highly unlikely that if Fred is in the kitchen, or Lily is a lion, then Bill went to the kitchen. It is unlikely that if either Greg is green, or Fred is in the kitchen, then Sandra got the apple.
It is highly unlikely that fred is in the kitchen, or Julius is a swan.
It is highly unlikely that fred is in the kitchen, or Julius is a swan.
It is certain that fred is in the kitchen, or Julius is a swan.
Fred is in the kitchen, or Julius is a swan.