It seems pretty obvious -- you just don't go into where the lions are kept at the zoo and try to feed them cookies.

An unidentified woman has been banned from the Memphis Zoo after she hopped into the lion enclosure to give the animals cookies -- on two separate occasions.

One woman witnessed one of the scenes:

"[She was singing] some song that was telling how much she missed them. It was bizarre. "I've never seen someone singing to a lion. It was really loud."

Zoo officials caught her after someone called in the odd sight. She has been told never to return.