The story is told of a day when Queen Elizabeth had the Duke Of Edenbourgh over for a cup of tea. The conversation turned equestrian and the Queen was telling the Duke about her new prize horse.
After a spell of ranting and raving over this horse the Duke said, "Well, then, let's see this fine animal!"
So the Queen and the Duke went over to the stables to admire the horse.
At one point the Queen walked around the horse, just as it let out an earth trembling belch, with a smell that....
The Queen turned a bit red and said, "Oh, I am terribly sorry about that!"
"Oh, that's quite alright," the Duke replied, "I had thought it was the horse!"