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". 

Example Input: [header] How to sync your fitbit data with your lose it! App [title] Go to lose it! [step] Create a new browser tab and open the lose it! Website at. [title] Sign in. [step] Click the " sign in " button at the top-right corner of the website to go to the login page. <sep> (A) Input your valid username and password and click " log in " to continue. [substeps] You will be asked to provide your gender, birthdate, birthday, and mailing address. (B) Your username and password are now shared with your fitbit account through a special link below your profile picture. Click " sign in " to create a new password. (C) Enter your email address and password to log in. [substeps] You can find the email address and password required here: https: // www.fitbit.com /. (D) Enter your lose it! Account credentials on the text areas provided and tap the " sign in " button to log in. [substeps] If you don't have a lose it! Account yet, click the " create one now " link to get your login details.
Example Output: D

Example Input: A person is seen riding around on roller blades and performing a grind on a bar. several more clips <sep> (A) are shown of the boy riding around on the equipment as well as sit on the floor and play pool. (B) are shown of people driving around on machines with one person riding in front. (C) are shown of the athletes performing tricks in various stretches as well as throwing a ball off into the distance. (D) are shown of the person performing grinds with roller blades as well as other flips and tricks.
Example Output: D

Example Input: [header] How to react in a plumbing emergency [title] Locate the water shut-off valve. [step] This is located next to your water meter. Once you have located your water meter, the valve next to it will be the water shut-off valve. <sep> (A) Either stop running your water meter immediately or take it off of the range. This method will get you dropped, and leave you with a very dangerous running meter. (B) A 2-hole valve is a regular valve that shuts off the source of water in the house. Unless you have a leak in a water meter, you will not be able to shut off the water to the whole house. (C) Try to locate it by your municipal water supply system, not by a neighboring home or building. [substeps] You may have a utility outlet labeled as a water shut-off valve. (D) By turning off the shut-off valve, you will stop all water from entering your home, thus minimizing water damage. [title] After you have shut-off the water supply, it is also a good idea to open all sink faucets to drain the water from the pipes to further minimize damage.
Example Output:
D