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 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 numb a tooth [title] Take an over-the-counter-painkiller. [step] A painkiller like ibuprofen or acetaminophen should be your first step in trying to numb a painful tooth. These painkillers will alleviate the pain from your tooth, and should also decrease any swelling in the infected area. <sep> (A) [substeps] If you are not able to find ibuprofen, you can opt for acetaminophen instead. [title] Freeze food that contains aspirin. (B) [substeps] Ibuprofen can be applied within 30 minutes to up the duration of an over-the-counter painkiller. Follow the manufacturer's instructions and do not take ibuprofen within 30 minutes after it has been applied. (C) [substeps] Make sure you read and follow the dosage on the packaging. Do not eat anything until told to do so by your dentist to ensure you are following the proper dosage. (D) These are all readily available at your local pharmacy. [substeps] If you're treating a toothache in a child younger than 18, do not give him or her aspirin.
Example Output: D

Example Input: A match is lit and a young man holds up another lit match along with sticks then blows it out. the young man <sep> (A) light the other pavilion and remove all traces of the fire from the area. (B) dabs his face and then tosses the wrapped present to the other person. (C) blows smoke outside in the summer day where many people are having a good time. (D) builds a ring of rocks near a tent.
Example Output:
D