Definition: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 
Input: [header] How to manage photo albums in facebook [title] Visit facebook. [step] Open a new web browser tab or window on your computer, and visit the facebook website. [title] Log into your facebook account. <sep> (A) [step] You will need a email address and password to set up photo albums. If you don't already have a facebook account, you'll need a registered email address. (B) [step] Enter your email address and password into each respective box on the top left side of the screen, then click " login. " after the login, you will be on your facebook news feed. (C) [step] If you already have an account in facebook, simply log in. If you don't have an account in facebook but have browsing privileges, you'll be able to make your photos easy to create. (D) [step] Enter your facebook username and password into the fields provided, and click " sign in " to log in. [substeps] You can use any username and password you chose to open a facebook messenger window.
Output:
B