"Officer, what does the witness have to say?"

"She saw a cheesesteak doing the Cha-Cha, and two BLTs executing a Bunny Hop." 

"But no French dip doing a—" 

"No."

Also, my friend, Gary Urey, mentioned that sandwiches can do the Robot. But I'm stopping here before someone takes a PB&J and goes Oops Upside My Head! (The Case of the Dancing Sandwiches from here.)