Read the following sentence:

Lily put down the last brownie and back away, and we can still be friends.

Which revision punctuates the parenthetical expression correctly?


Lily put down the last brownie, and back away, and we can still be friends.


Lily, put down the last brownie and back away, and we can still be friends.


Lily put down the last brownie and back away, and we can, still, be friends.


Lily put down, the last brownie, and back away, and we can still be friends.