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 research the market before launching a product or service [title] Start by doing some qualitative market research. [step] You can do it with an agency or on your own. You only need few people (between 5 and 10) from your target market (potential customers) so it is possible to diy. <sep> (A) [title] Don't expect to work in a large company. [step] Meet people for a coffee, greeting and perhaps the business plan or abstract of a product you just started. (B) It can be very helpful to have people assisting in the research so you don't become too particular. [title] Conduct an analysis of the food, drug or cheese market. (C) The only important thing is not to choose some people that you know. This qualitative research has to be done in an objective and neutral way. (D) [title] Gather information in an essay, packet, card, book or letter. [step] This will help keep the reader engaged.
Example Output: C

Example Input: There is a large decorated christmas tree behind them. There is a woman sitting in the living room with a little girl. the boys <sep> (A) begin to climb hill on the christmas tree with an orange garland and used a brush. (B) play foos ball with the men. (C) are showing the little girl how to pierce her nose piercing. (D) start to play as the woman continues knitting the tree.
Example Output: B

Example Input: [header] How to pierce your ear with a safety pin [title] Disinfect your safety pin by boiling in water for a few minutes. [step] Remember whatever you put your pin down on will contaminate it, as will your fingers, so be careful. [title] Numb the part of your ear you wish to pierce with ice cubes. <sep> (A) [step] This will shut the wound up and stop the bleeding. [title] Place a small amount of antibacterial gel, clean cloth and cornstarch tea bag over the hole. (B) [step] This will not only clean the tip of the pin, but also make it easier to hold and aim the pin. [title] Make sure the safety pin is placed securely to the side of your ear, so as not to scratch your eardrum. (C) [step] This will be the most painful part of the the piercing process. Hold the ice to your ear for as long as you can stand, or at least say , 3-5 minutes. (D) [step] Pat the area dry, and don't apply any pain cream on or take ice to the area around the pin. [title] Use tweezers to remove the pins.
Example Output:
C