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 ask customers for feedback [title] Use a survey. [step] Surveys are the easiest method for collecting feedback. You can create a survey on surveymonkey and then send an email to your clients. <sep> (A) You can also post a link to the survey on your twitter and facebook pages. [substeps] Consider posting short surveys on your website using qualaroo or an equivalent tool. (B) This gives you a much-needed opening to discuss your feedback. [substeps] Write a survey that states how well the company is doing. (C) Keep in mind that you are going to be giving customers feedback about your company. The survey can be in the form of a written question or business letter, a presentation or post, or forum. (D) Be sure to include your real name so that the survey can be retrieved and someone else can reach out to you if needed. Customers then will be able to find you and send you back their feedback.
Example Output: A

Example Input: He heats up some cream and chops up the porcini mushrooms to add to the cream with some seasonings. He adds some cooked pasta into the porcini sauce with some reserved pasta liquid. he <sep> (A) adds salt to the sauce and adds some corn syrup. (B) applies seasonings to the pasta as well as adds some french dressing and easily cooks. (C) serves up the dish on a plate and tastes it. (D) completes the salad with other ingredients and this time stirs them by adding salt and a little bit of garlic on the side of the pasta.
Example Output: C

Example Input: [header] How to prevent hyacinth flowers from flopping [title] Choose a location with good light to plant your bulbs. [step] Hyacinths need about 5 hours of light each day in order for the stems to grow strong. In weak light, the stems will be thin and the blooms will easily snap the stalk. <sep> (A) In strong light, the flowers will not flourish if they are exposed to wind and/or frost. For optimal plant growth, choose an area with open space with full sun and partial shade. (B) On the other hand, in strong light, the stems will take light directly from the bulb, and the bloom will use less energy. [substeps] Fluorescent lights don't have to be fluorescent. (C) [title] Plant hyacinth bulbs 4 inches (10 cm) deep. [step] If the bulbs aren't planted deep enough, the plant's stem won't have enough strength to support the weight of the flowers when the hyacinth blooms. (D) Aim for a spot that receives at least two hours of sunlight a day. [substeps] In good, semi-shade, mild weather conditions, such as april-april or july-august will provide a deep, rich, full-colored hyacinth flower.
Example Output:
C