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 lance and drain a blister [title] Assess the blister before choosing to drain it. [step] Not every blister needs to be lanced. In fact, some experts recommend that you should only drain blisters that are exceedingly painful, in weight-bearing or high-contact areas, or larger than 0.8 inches (2 centimeters) in diameter. <sep> (A) [substeps] If the blister is intact and manageable, try to keep it intact. Apply a piece of moleskin, adhesive felt, or tape. (B) In these instances, you need to check the blister to determine if it needs a leak-proof drain. [substeps] See the " how to drain a blister " section of this article for instructions. (C) [title] Make a decision whether or not to drain the blister. [step] If the blister is very painful, medical sterilization is an option. (D) [substeps] There is no one right way to do this, so you have to be sure that you have the right technique. It is not as easy to clean a blister as to rinse with water and applying a sterile dressing.

Output: A

Input: Consider Input: [header] How to prepare for ielts speaking test [title] Relax and speak as confidently as you can. Candidates who are not able to participate fully in the conversation * may not achieve their potential band score. [step] This may be because they haven't been able to demonstrate the level of language they are capable of producing. <sep> (A) This is why in order to start impressing new people you'll have to start communicating clearly and become relaxed in front of new friends and family. [title] Help the staff in every conversation about the band's. (B) Chances are they have not gotten the chance to have the opportunity to prove themselves. [title] Get to know your supervisors on a regular basis. (C) [title] Learn how the speaking component is assessed : [step] The aim of the test is to assess your ability to communicate effectively. The interviewer considers this ability in four different ways : [substeps] Fluency and coherence: this measures your ability to speak without too many pauses and hesitations. (D) You are simply not strong enough to produce the best sound but must cultivate more. If you are too nervous to speak clearly you'll be able to unintentionally undermine the composition of your speech.

Output: C

Input: Consider Input: A woman is seen standing next to a frozen car while looking away from the camera. the woman <sep> (A) then begins working on the car using a tool along the side that's fastened onto the wheel. (B) shows off a bottle of cold water and a straw. (C) then begins using a scraper to scrape off the sides. (D) uses a tool along the car while still looking away.
Output: C