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: Consider Input: [header] How to teach your dog to speak [title] Choose your reward. [step] Pick something your dog really loves; the better the reward, the easier it will be to teach your dog. If your dog loves to play, you can try using her favorite toy and playing with her when she barks. <sep> (A) In some cases, you can train your dog to bark through verbal praise. [substeps] Figure out your dog's reward based on cultural context. (B) Point out what your dog likes to play with and put a look on the chart indicating what she wants to learn. [title] Tell your dog to " sit ". (C) Most people, however, will find that treats are the most effective way to teach a dog. The best treats will be ones your dog loves, and which are also easy to carry, easy to break into pieces, and healthy. (D) If her bark is off-putting, encourage her to try other tricks, to avoid barking. [substeps] If you provide a toy or two, this will be enough to train your dog to try the reward.

Output: C


Input: Consider Input: A man combs his beard in front of a mirror in his bathroom. The man reaches down to pick up sizzors then trims his mustache. the man <sep> (A) kisses his mustache and looks still in the mirror. (B) sits in the bathtub to do shave then goes away to shower and change clothes. (C) picks up lotion which he applies to his neck. (D) shows off the trimmings.

Output: C


Input: Consider Input: [header] How to install an ssl certificate [title] Generate a certificate signing request (csr). [step] Before you can purchase and install an ssl certificate, you will need to generate a csr on your server. This file contains your server and public key information, and is required to generate the private key. <sep> (A) You can generate a csr directly from the apache command line : [substeps] Start the openssl utility. This can usually be found at/usr/local/ssl/bin/create a key pair by entering the following command: openssl genrsa-des3-out www.mydomain. (B) Create a new csr file using the csr window. Once you have created a new csr file, click on the " create " button in the top right corner of the new csr window and select " create new ssl ". (C) You must send in the necessary information for your certificates, including the production name of the new ssl. You can request a csr by applying for it by referral from a certified mail-order issuer, registering the name of the new certificate at a processing center or sending in a copy in the mail. (D) Any private key in your ssl will also have a party authorization key. People using this key will also be required to register their passkey.


Output: A