You will be given a definition of a task first, then some input of the task.
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".

[header] How to use tinychat on facebook [title] Go to the facebook tinychat application [step] Using your web browser of choice. [title] Click the " connect to tinychat " button to login using your facebook account. [title] If you are not already logged in to facebook, you will have to enter the email and password associated with your facebook account. <sep> (A) [title] Find the facebook app you want to use on your android. [title] Search for " facebook messenger " in the list of search results. (B) [title] Click " sign in " to sign in. [step] Your registered email will be displayed on your profile screen. (C) [step] If you need to create an account, you will need to enter the email address to create an account. [substeps] When you are ready to fill out the form, click the green " create account " button to access the form menu. (D) [title] Click the " allow " button to allow tinychat permission to access your facebook account info. [step] This is a standard procedure for all web apps that utilize facebook connect.
Output:
D