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 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.

Ex Output:
C


Ex Input:
A machine draws a face on a pumpkin. the lights <sep> (A) and the paint on the pumpkin flicker. (B) turn off and it shows the carved pumpkin turned on. (C) flash as children shuffleboard across the pumpkin. (D) flash on and off.

Ex Output:
B


Ex Input:
A man is seen speaking to the camera while standing behind a car door. he <sep> (A) sprays the door and wipes down the window while still speaking. (B) uses a tool to open things up while still speaking to the camera. (C) then begins punching the tire with his hands while still speaking. (D) shows how he opens a window and opens a tire.

Ex Output:

A