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:
A marching band is in the midle o street. behind the marching band <sep> (A) people are in s street playing. (B) the drummers are covering the ground. (C) , a tire is taken off and replaced with a new tire. (D) a fire truck is in the parade.

Ex Output:
D


Ex Input:
[header] How to buy penny stocks without a broker [title] Be aware of the benefits of purchasing penny stocks. [step] Because penny shares can be purchased so cheaply, they represent an opportunity for enormous gains through high-volume purchases. [title] Be aware of the downside, too. <sep> (A) [step] Penny stocks are not very liquid, meaning there may not be much demand for them, and as a stockholder, you could have trouble finding a buyer, should you want to sell your shares. In addition, the issuers of cheap stock may suffer from a weak market position and a fragile financial profile, making them risky investments. (B) [step] The penny company's corporate board (rtc) typically has very little reasonable interest in the penny stocks, and some people expect to earn between 40 and 65 percent. It can be all or most of these savings, and some people worry about them not being valued enough for business purposes. (C) [step] Penny stocks are either volatile, gaining the first recession, or being sold to a higher yield. To understand what risks penny stocks can pose for those returns, you should look at the non-penny banks. (D) [step] Penny stocks offer many advantages for the public when buying a stock. These advantages can include substantial advancements in commission rates, larger returns, and cash reduction.

Ex Output:
A


Ex Input:
[header] How to make cool weather minimalist running shoes [title] Gather the materials listed below. [title] Cut the leather down the middle so that you have one rectangle for one foot and one for the other. [title] Put on your socks if you don't have them on already. <sep> (A) [title] Lay out the shoe board so that you have two squares. [title] Put a piece of paper or two of cardboard across one of the squares. (B) [title] Put on your boots and flip your poncho over so that you have the strap. [title] Put on your socks and flip your poncho over so that you have the strap. (C) [title] Cut the leather into square strips that 8 inches wide and 8 inches deep. [title] Make sure your shoes are sealed with tape. (D) [title] Apply shoe goo as evenly as possible to the rough side of one of the leather rectangles. [step] Put newspapers down first to protect the surface beneath.

Ex Output:

D