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 ask survey questions [title] Understand your objective. [step] Make sure you know why you are asking questions in the survey. Having a firm grasp of this will help you make better questions. <sep> (A) Without knowing your objective, your questions may seem aimless. [substeps] Try to answer the questions: who, what, where, when and why for yourself. (B) [substeps] However, you may not have a completely clear and accurate understanding of your evaluation topic. You may need the fact-figure accuracy to have a clear and reliable assessment. (C) You can additionally foster a good relationship between you and the question that came up. [substeps] Once you have developed a rapport with the question, you should begin addressing it. (D) [substeps] Determine whether the survey may be a waste of time. If the survey results in a huge number of questions, it will be better for you to leave some questions blank or to completely miss the question's significance.

Output: A


Input: Consider Input: A lady in a bra and panties grabs and throws a shotput. It goes through a window on a house and a cat runs. the man <sep> (A) runs after the gun. (B) in a grey shirt tells the lady to stop and gather her clothes, including the fire extinguisher, including two buckets of water on a table. (C) is talking and a traceback in the room and come to 2 shades of grey and he starts to make some shots. (D) looks outside and sees the lady.

Output: D


Input: Consider Input: [header] How to cast metal [title] Get a 2-piece mold frame. [step] To successfully cast metal, you'll first need to acquire a mold frame (also known as a mold flask) made of wood, iron, or a similarly solid material. Make sure the frame comes in 2 parts and is large enough to hold the object you want to cast. <sep> (A) [title] Drill holes for the bottom of the frame. [step] Make sure to drill through the wood like the mouth of a hammer [title] Cut any thin pieces off the frame. (B) [substeps] Look for mold frames online or from specialty metal supply stores. As long as it is sturdy, the specific material used to make your mold frame does not matter. (C) [substeps] Use 3 full coats of cold metal paste, such as lewis sal, instead of steel paste. Place your mold frame on a flat, dry surface. (D) This frame will prevent the object from falling apart when you cast iron objects, and it will give the object some extra room to expand at an angle. [substeps] You could purchase pre-assembled or premixed casts from most home improvement stores.


Output: B