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 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.
Example Output: D

Example Input: There's a woman dressed in black playing billiards in front of some spectators. after she <sep> (A) knocks down 6 pins, a person comes and jack by. (B) finishes her game, she begins knocking down fifty and counts it. (C) 's done rolling the ball, she puts on a red shirt and grabs her purple racquet. (D) 's done another lady takes her turn and hits a few shots.
Example Output: D

Example Input: [header] How to encourage parents to be involved in school [title] Greet parents in the beginning of the school year. [step] Doing this engages parents right away. It helps them understand what to expect from the school, teachers, and administrators. <sep> (A) [title] Make a list of questions to ask them about school. [step] The main question you want to ask your parents is asking about school. (B) Don't lean on the " teachers " at the beginning, though. [substeps] Try giving a pat on the back at the start of the school year. (C) It also breaks up the monotony of later parent meetings and lets the parents know that someone else is in charge of getting parents to interact. [substeps] Smiling and greeting parents will get the blood flowing, which makes you more noticeable. (D) If you wait too long to reach out, parents may find getting involved to be difficult. Any faculty member can do this, but teachers benefit most from communicating directly with families.
Example Output:
D