DENVER,CO--STOCK SHOW--Brandon Singleton, 6, from the Knight Academy in Denver isn't sure what to think about "Sylvia," the LLama at The Great American Petting Zoo at the National Western Stock Show Friday afternoon. The petting zoo is located on the thir

DENVER,CO--STOCK SHOW--Brandon Singleton, 6, from the Knight Academy in Denver isn't sure what to think about "Sylvia," the LLama at The Great American Petting Zoo at the National Western Stock Show Friday afternoon. The petting zoo is located on the third floor of the expo hall. THE DENVER POST/ ANDY CROSS (Photo By Andy Cross/The Denver Post via Getty Images)