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 find a penpal [title] Think about what you want to send. [step] There are many different ways to correspond with a penpal, and deciding on the one that's right for you makes it easier to sort through the number of penpal websites on the internet. Some people prefer communicating electronically while others like to use penpals as a means of creative communication. <sep> (A) [substeps] The international union of mail-artists is a website dedicated to those who like sending postal art to their penpals. Iumoa is a much more niche community as it has roughly 4 , 000 active members. (B) Read the different penpal websites carefully and decide on the one you wish to write a message for. [title] Enter the number and contact information you would like to use in the address bar (in the upper right hand corner of the web page). (C) [substeps] Remember that there is no set password to choose from across a thousands of websites, but feel free to use whatever feels most comfortable for you. [title] Narrow the search criteria to near the lowest classifications. (D) Some people like to send messages on social media or email, while other people prefer to send text messages or instant messages. [title] Decide which websites you want to find.

Ex Output:
A


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 call latvia [title] Dial your country's exit code. [step] The exit code differs from country to country, so look your code up online if you're unsure what it is. You need to dial this code in order to begin an international call. <sep> (A) The most common exit codes are 011 and 00. [substeps] The exit code for the u.s. (B) [substeps] Some countries will not provide exit codes. If you'll be calling latvia international, they can let you know to call all of the countries and find the area code. (C) [substeps] For example, italy has the exit code gb 0600. Australia does not have a country code, but you can look it up in any language. (D) [substeps] If you're calling from a landline, dial sankme. If you are calling from an actual landline phone, dial efttpnet.

Ex Output:

A