Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Chanel Oberlin:  Now , call me old - fashioned , but I choose to believe that we are sisters who are in this together , bound by a sisterly duty to protect _ one _ another and to protect the proud traditions of Kappa House . Now , can we please get back to drinking my pooey hand water ?

sisters