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 make a todo list on your iphone [title] Invoke siri. [step] Press and hold your iphone's home button until you hear two beeps indicating that you can ask siri a question. [title] Tell siri what to remind you about. <sep> (A) [step] At the phone's screen, you will be asked if there is anything you want to add to the list. Refer to siri before proceeding to any foods or herbs on the list to make sure " extras " are included. (B) [step] Siri will tell you to remind you what time to wake up so that you can think of what to make on your todo list. [substeps] To make todo lists, tap the sleep/wake button, then toggle " home " to " sleep. (C) [step] Siri should ask you the following questions. [substeps] What are your venturabos? Are there any themes you want reminded? What do you want to be remembered? [title] End your list. (D) [step] Speak into your microphone (at the bottom of your phone) naturally as you would with another person, and with clear articulation. Say " remind me to buy milk at 6 pm.

Output: D

Input: Consider Input: [header] How to make modeling clay in a slow cooker [title] Preheat the slow cooker. [step] To ready your slow cooker for cooking the clay, it's important to preheat it. Plug it in, and set the temperature to low. <sep> (A) That will allow the slow cooker to heat up slowly. [substeps] While children can help with the measuring and mixing of the ingredients, an adult should handle preparing and heating the slow cooker. (B) Cover the slow cooker and leave it somewhere out of the way where it won't be disturbed as it cooks. Doing this early will make your clay easy to mix and smooth. (C) Avoid getting hot coals inside the slow cooker. [substeps] Make sure there are no ashes or scraps of food stuck onto the bottom of the slow cooker before cooking the clay. (D) Allow the slow cooker to heat up to about 325 degrees fahrenheit (260 degrees celsius) for 1 hour. [substeps] Do not allow the temperature to go above the cool bar when you shut the electric slow cooker.

Output: A

Input: Consider Input: [header] How to lance and drain a blister [title] Assess the blister before choosing to drain it. [step] Not every blister needs to be lanced. In fact, some experts recommend that you should only drain blisters that are exceedingly painful, in weight-bearing or high-contact areas, or larger than 0.8 inches (2 centimeters) in diameter. <sep> (A) [substeps] If the blister is intact and manageable, try to keep it intact. Apply a piece of moleskin, adhesive felt, or tape. (B) In these instances, you need to check the blister to determine if it needs a leak-proof drain. [substeps] See the " how to drain a blister " section of this article for instructions. (C) [title] Make a decision whether or not to drain the blister. [step] If the blister is very painful, medical sterilization is an option. (D) [substeps] There is no one right way to do this, so you have to be sure that you have the right technique. It is not as easy to clean a blister as to rinse with water and applying a sterile dressing.
Output: A