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". 

Ex Input:
A man is talking on a basketball court. he <sep> (A) picks up a bottle of water and takes a drink of the water. (B) shows how to play the volleyball. (C) then demonstrates how to throw a ball to the goal. (D) starts hit by the ball.

Ex Output:
A


Ex Input:
[header] How to format an ipad [title] Head to the home screen. [step] Press the home button of your ipad to go to your home screen. [title] Access the general settings menu. <sep> (A) [step] At the bottom of the screen, scroll down until you see " general settings. " [substeps] Scroll down until you see " general settings. (B) [step] Look for the settings app on your device, and click it. [substeps] Alternatively, you can tap on " general. (C) [step] Tap on the " settings " icon then select " general " from the options in the settings menu. [title] Tap on " reset " at the bottom-most part of the screen after pressing " general. (D) [step] Use this screen to change your location menu to default to icloud. [substeps] To enter your location menu, tap the settings app from the screen.

Ex Output:
C


Ex Input:
[header] How to open an email [title] Go to your email provider's website. [title] Log into your email account. [title] Click on " inbox. <sep> (A) [step] That is the green box at the bottom of the screen. [title] Select " mail sent from now on. (B) [title] Click on the " account " tab at the top of the login page. [title] Hover over " open an email " on the desktop menu. (C) [step] " a list of current emails will be listed on part of the screen. Most commonly, a sender and subject title will be displayed indicating who sent the email and what the email is in regards to. (D) [step] It is in the upper right corner of the window. [title] Click on " new..." [title] Click on the " show default emails " button to get a new folder.

Ex Output:

C