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:
[header] How to show a girl that you care (for guys ) [title] Get to know her. [step] If you're in school together, talk to her in class. If you have mutual friends, talk to her whenever that group gets together. <sep> (A) Most guys just like girls that have something in common. Being more than friends means more opportunities to develop interests. (B) If you don't, ask if there are other friends you can hang out with. Though making contact is difficult, if you're hanging out as a group, you can start if you form a strong bond with her. (C) You don't have to make a big deal about it-just say hello and smile at her. Ask her how she's doing, and strike up a conversation. (D) Talking with her in front of other guys is a great way to showcase your boyfriend's love for her. She'll start to see your declaration as an admission of love and to get to know you better, too.

Ex Output:
C


Ex Input:
[header] How to identify a siberian tiger [title] Look for long, thick fur. [step] Because siberian tigers live in colder climates than other tiger subspecies, they have considerably thicker coats. Most other tigers will have a very thin layer of fur close to their body. <sep> (A) [substeps] Siberian tigers often have thin coats that are made from specific materials that repel the cold and will not compete with the other types of fur. Siberian tigers are known as " rhode ors, " or " jumpers. (B) [substeps] Siberian tigers also typically have white or tan skin, without shades of brown. Their fur will be pale and coarse, with geometric stripes or patches of fur along their body. (C) Siberian tigers, in contrast, will look a bit puffy because of their longer fur. [substeps] Because of their colder environment, siberian tigers will even have thick fur on their paws. (D) If your siberian tiger is a larger sized tiger, then look for a small with a long coat or big. [title] Check for eight or more striped stripes.

Ex Output:
C


Ex Input:
[header] How to pick a master padlock [title] Make a lock pick and tension wrench with bobby pins. [step] To make the tension wrench, bend the closed end of a bobby pin until it's at a 90-degree angle with the rest of the pin. To make the single-pin pick, unbend a bobby pin so it's straight. <sep> (A) [substeps] If you are having difficulty finding bobby pins, write out something like " i'm a little bit stumped. Can you help me find the right size lock wrench for my lock? " [title] Choose a second lock wrench for small locks. (B) The bobby pin may look longer or wider depending on what you're doing, and you'll need to adjust as needed. [title] Make a ½ " round bar trap made of locking plastic. (C) Then, bend the flat end of the bobby pin slightly upward. [title] Make a pick and wrench out of paper clips if you don't have bobby pins. (D) [substeps] To make a master lock pick without a bobby pin, twist a bobby pin and band it between two bobby pins. [title] Purchase a bomber ring tool or another flat-bottomed tool.

Ex Output:

C