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 play sepak takraw [title] Set up the court. [step] The court is rectangular and measures 13. 4 meters by 6.1 meters, approximately the same size as a badminton court. The net is in the middle of the court and should be 1.52 m high. <sep> (A) [substeps] The court runs on one side of the lower part of the court. It is normally used between three or four rows, to remove knee-guards and to protect the entire court from any further slugs (skeletons or other animals). (B) On the inside of the court, you'll see rows and rows and elevated 18 x 19 meters by testing a platform. If you don't expect to play every day, you'll still be able to play as much as you want. (C) A service circle should be drawn 3.05 m from the back line and 2.45 m from the sidelines. The radius of the service circle should be 0.3 m. (D) You should place your face-plates face down on each side of the court, like you are a goldfish. You can also drop your finger or both of your hands on the court's edge and play.

Ex Output:
C

Ex Input:
[header] How to bake kabocha squash [title] Cut the stem off the top of the squash. [step] Place the tip of a sharp kitchen knife 1 inch (2.5 cm) from the stem of the squash. Penetrate the skin of the squash and cut around the stem. <sep> (A) Lift the peel off the top of the squash by turning the knife counterclockwise and keeping pressure on the peel. Tear off the top of the squash by turning it sideways with a sharp knife. (B) Pull the tender sections from the stem and discard the central core. [substeps] Sometimes you'll need to water the squash to dry it out. (C) Then, pull up on the stem to remove it. [substeps] You need a sharp knife to cut through the thick skin of the squash. (D) [substeps] If possible, have someone else cut the squash up to ensure that it is safe to be cut into pieces. [title] Boil the squash to turn it into bite-sized pieces.

Ex Output:
C

Ex Input:
An introduction comes onto the screen for a challenge involving a rowing machine. A man begins to row on a rowing machine as several people watch him work out. the video <sep> (A) ends with the closing captions shown on the screen. (B) continues with information for baby ducks and swimming in the pool. (C) ends with him jogging off into the distance. (D) starts with him playing several different places overlaid across his screen.

Ex Output:
A