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: [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.
Example Output: C

Example Input: . a small boy wearing a black and red striped shirt <sep> (A) performs flips and hand springs on a grassy field with a wild animal. (B) grabs a scooped ice cream scoop and scoops out all the melted ice cream. (C) hits a beer pong table in a dimly lit room. (D) is sitting with a drum set and playing drums.
Example Output: D

Example Input: [header] How to buy dog food [title] Ask your veterinarian about reputable brands. [step] There are few regulations controlling the manufacturing process of dog food, which makes it very important to ask a veterinarian or board-certified veterinary nutritionist for suggestions of quality dog food brands. Your vet is a great source of information regarding your dog's diet. <sep> (A) [title] Check the temperature of your dog's food. [step] If your dog has a higher body temperature than is needed, you'll want to consider purchasing dog food instead of the grocery store. (B) However, in some cases dog food may not be the best idea. A loose diet may upset the dog's digestive system, lead to bloating, and lead to weight loss. (C) They can suggest brands from experience, and also tailor their suggestions to your dog's unique health needs and profile. [substeps] Once the vet gives you suggestions on a few good brands, you can do your own research to choose which kind is best for your dog. (D) [substeps] Additionally, look for any name brands or names that directly connect to the type of dog food you are looking for. For example, orange juice cannot likely contain more than 250% caffeine.
Example Output:
C