Caught in the Middle

At three desks in an open-concept office sat John, Mary, and Margaret, in that order from front to back.

After a year or so of working together, John and Margaret were married, much to the delight of all of their colleagues. When the word got around, Mary was flooded with questions from colleagues seeking all the juicy details of the development of the relationship.

"Relationship?" said a befuddled Mary. "You mean the two of them have a relationship?"