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: A large man is doing behind the neck shoulder presses. He is holding his breath doing them and then he stands up and starts to walk. he <sep> (A) is doing the arm push again and then runs and does it again. (B) takes a huge leap and comes back into the ring back into the circle. (C) gets back on the bench and does a few more pf the shoulder presses again. (D) stops after completing the lunges and sets his gear down.
Example Output: C

Example Input: [header] How to buy a wood burning stove [title] Consider your heating needs by evaluating the size of your home. [step] You will need to determine the heat load necessary to maintain the square footage of the area you want heated. Heat load is measured in btus, or british thermal units. <sep> (A) Inquire about btus and thermal units using online resources. [substeps] Btus heat packs can be found at home improvement stores, department stores, and some gas stations. (B) To determine how much heat you need, pay attention to the dimensions of each room you intend to fire in. [substeps] The larger the square footage, the larger your fire seats will need to be. (C) You will need 25 to 30 btus per square foot. [substeps] Measure each room to be heated with measuring tape. (D) Btus are rated from 2000-1000. Btus can be changed or altered depending on the size of your home.
Example Output: C

Example Input: Many people begin to film the guys on their phone, the weight lifting continues and several people come back to do interviews. more people <sep> (A) begin to struggle with the weight, many of them rut at the weigh and end it in slow motion. (B) are shown and then a logo comes that is sponsored by reebok. (C) come back to lift the weight but fails and end up dropping it and only have one more successful lift. (D) come back and the hi-hat team continues to lift weights with other people.
Example Output:
B