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 get a friend to stop bullying someone [title] Ask them why they are bullying. [step] Your friend may not even realize they are being a bully. Questioning them makes them aware of their behavior. <sep> (A) Constantly calling them bullying is a definite no-no. Instead of barking your friend in the face or banging on their door, ask them why they are being bullied. (B) But unless they admit they are being bullying, find out why they are doing it. If they do not quite get their message across or need help, then you can get to the root of the problem. (C) Make sure that they are not acting out or making the problem worse. Explain that acting up will only make the situation worse. (D) It may also help you understand the reasoning for the behavior, which may make you stop it. [substeps] For instance, you could say, " i notice that you say cruel things to that person.
Example Output: D

Example Input: [header] How to embed pictures [title] Choose the type of embedded image. [substeps] You can add a picture or insert a graphic, clip art or chart. You can also create a shape or graphic. <sep> (A) [title] Save the image to a web server for easy editing. [title] Translate the image you are going to put onto a layer layer in the layer dropdown to the layer you want to paste. (B) While you can edit your design, you can also alter it so that picture art and chart are placed in different arrangements. [title] Use the " advanced options " option to access and resize the image. (C) [title] Take pictures with or without a background. [step] It's easier to edit images from this background than from a canvas. (D) [title] Click the insert tab and then click the icon for the image type. [substeps] Clicking the picture icon will launch the " insert picture " window.
Example Output: D

Example Input: [header] How to use a manual can opener [title] Identify the cutting edge. [step] Generally, the cutter mechanism of the manual can opener features a sharp tip to puncture of the can lid. You may see a curved or hooked point. <sep> (A) These sharp points are used for cutting cans. [substeps] For plastic cutters, the blade of the can opener is often curved. (B) The blade of the manual may be tilted slightly to the right or right in order to puncture the lid under normal circumstances. The sharp tip is usually capped with a laser blade. (C) It usually sits at the apex of the two long " arms " that you use to open and close the device. It should be situated alongside the handle, the axle, and the serrated wheel that will bite into the rim of the can lid. (D) Puncturing the lid will enable a trap door to open, " allowing " the food to fall to the bottom of the can, the lid opening. [title] Align the cutting edge with the lid.
Example Output:
C