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 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.

Ex Output:
D


Ex Input:
[header] How to fake stainless steel appliances [title] Buy some stainless steel contact paper. [step] You can find it at your local home improvement store or online. How much you buy will depend on which appliances you plan on covering. <sep> (A) Pure stainless steel contact paper takes around $10 per share. [substeps] Buy your state's " grants1 " size or 15 millimetres. (B) Pre-cut contact paper works perfectly for this project. [substeps] Do not purchase pre-cut contact paper from a home improvement store. (C) Either use a commercial stainless steel contact paper for your stove, refrigerator, and microwave units. You can also use water mixed with food grade soap or titanium coated with cooking spray. (D) [substeps] Stainless steel contact paper is plastic-based, so it cannot withstand heat. It is not suitable for surfaces that get hot, such as stovetops.

Ex Output:
D


Ex Input:
A man cuts a christmas tree in a living room. A family of five people decorate a christmas tree. we <sep> (A) see scenes of three people knitting. (B) see them adding the lights to the tree and stringing garland. (C) see the tree for the first time. (D) see the green tree and the people playing in the tree.

Ex Output:

B