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 buy wine for a gift [title] Go mid-range to high end. [step] It's tempting to buy a cheap wine to give as a gift, particularly if you don't know much about wines. However, cheap wine will taste cheap. <sep> (A) Buy the cheapest wines possible at low prices for a lot of fun and a nice gift. [substeps] Vintage wine is well worth the cost, but it won't taste well if you're not buying the bottle. (B) A higher end wine will go right up top and faster, so full quantities have more potential to go up the price of a bottle. [substeps] Anyway, consider your palate when determining whether a bottle is a good choice for your party. (C) [substeps] Spend time visiting upscale restaurants near your destination and learn about wines on your visits. Ask for the wine they recommend to see if you can trade it for cheaper. (D) That's not to say that you can't get a decent wine for a reasonable price. You just don't want to pick the cheapest wine, especially if you've never tasted it yourself.

Ex Output:
D

Ex Input:
[header] How to love an aries man [title] Plan on doing spontaneous things together. [step] Aries men are impulsive, and they love doing things on a whim. It keeps them feeling young and alive. <sep> (A) To show an aries man that you and them have things in common, it can help to have plans together throughout the weekend. Run errands together, go dancing. (B) Being with an aries man, you may find that your plans to grab dinner together turn into a long night out with lots of dancing and exploring. Don't be surprised if he suggests doing something crazy or unexpected. (C) Due to their physical aptitude, aries men enjoy spontaneous activities. There are different types of spontaneous activities that aries men do : [substeps] Music theater tours film polo sports [title] Ask aries you like him. (D) They are emotionally happier when they actually do them. Be prepared for those spontaneous activities if you want your relationship to succeed.

Ex Output:
B

Ex Input:
[header] How to recover deleted pictures from an ipad mini [title] Get your ipad mini's lightning cable. [step] This is the new 8-pin connector from iphone, which is significantly smaller than the previous one. Get this cable and connect the smaller end to your ipad mini. <sep> (A) [title] Hold down the home button on your ipad mini. [step] The process for locking the ipad mini to a computer is easiest with the ipad mini's lightning cable. (B) [title] Get the other end of the cable and plug it into any usb port of your computer. [step] You can plug it into any usb port located either at the back of a desktop cpu or along the sides of a laptop. (C) [title] Connect the smaller end to the power adapter cable. [step] This will work the same way as the icloud usb adapter, except that your ipad mini will have a smaller power adapter just at the back of its body. (D) Some great options are these : [substeps] Usb is for ipad mini micro usb cable. Connect each end to the launcher/usb port on your ipad mini.

Ex Output:
B