Isn't That Why You Call Me Here?

The princess was shocked to find her throne room filled with thousands of flowers. Of all these gorgeous, fragrant blossoms, only one of them is rael. The rest are faith pony, completely artificial and crafted by the best artists in the kingdom so that look real, smell real too. So for your third test, my dear daughter, you must tell me which one of the flowers is the real one - not from human hands. But just as she was about to give up hope, she heard afamiliar sound. Do you know what was making that sound?