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: The man in red shirt is walking in the water pulling the group of tubes. The man stopped walking and talked to the man lying on the tube. the people <sep> (A) gathered small flowers to plant. (B) are picking the man up off of the tubes and then stopped to talk to the man sitting beside the tube. (C) put on their shoes and stood up from their tubes. (D) all stand and then get off the water and those people walk down a dirt path to the water.
Example Output: C

Example Input: [header] How to root the nexus 7 [title] Back up all information on your nexus 7 tablet. [step] All personal data will be erased from your tablet during the rooting process. [substeps] Sync your personal information with google's servers, copy your data over to your computer, or download a third-party cloud storage service app from google play store. <sep> (A) [title] Navigate to the wugfresh website at http: // www.wugfresh.com/nrt /. [title] Select the option to download the nexus root toolkit. (B) Open a folder that houses your cellular data, save the data you want to share and tap backup to backup it to your computer. [title] Follow the on-screen instructions for rooting. (C) [title] Install os x 10.1 on your tablet. [step] After installation, simply tap the " windows " icon on the home screen. (D) If you have a gigabyte device, your tablet will search your phone's applications folder for a root disk that will be used for rooting. [title] Download the latest android root installer.
Example Output: A

Example Input: [header] How to chrome plate [title] Use chrome to plate metals subject to corrosion, including steel, brass, copper, aluminum, and stainless steel, for decorative purposes. [substeps] Chrome reflects brighter, clearer, and with less distortion than other finishes, such as paint. Decorative chrome plating electroplates nickel and chrome onto a target object, such as a wheel rim or a hood ornament. <sep> (A) The nickel is the source of the slickness, shine, and resistance in the chrome plating. A very thin layer of chrome keeps the nickel from tarnishing, scratching, and rusting. (B) Chrome plates cannot be painted without consulting a solvent. [title] Paint edges of household cabinets and countertops with chrome plating. (C) The steel plates can easily be turned with pliers. [title] Remove small pieces of chrome after you have repaired the small bits. (D) [title] Don't skimp on chrome filler. [step] While chrome typically averages out well, you'll still have a lot of errors.
Example Output:
A