It is probably the case that Lily is a rhino. There is almost no chance that Gertrude is a mouse. It is improbable that John moved to the office. We doubt that if Gertrude is a mouse, or Lily is a rhino, then Sandra got the milk. Chances are about even that if John moved to the office, or Gertrude is a mouse, then Greg is yellow. We doubt that if either Lily is a rhino, or Gertrude is a mouse, then Julius is green.
It is highly unlikely that either John moved to the office, or Greg is yellow.
It is highly unlikely that either John moved to the office, or Greg is yellow.
There is a better than even chance that either John moved to the office, or Greg is yellow.
Either John moved to the office, or Greg is yellow.