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:
An athlete practices tossing a javelin in a track a field course. The athlete starts with two or three side steps and then proceeds to toss the javelin. the athlete <sep> (A) then increases his speed and steps. (B) runs parallel to the chalk and throws four instructions that lead into a discus throw, where he throws the javelin as far as he can into the distance. (C) then does a backswing outside of the track. (D) throws the javelin to the other side and then back to the field.

Ex Output:
A

Ex Input:
[header] How to breed chihuahuas [title] Adopt a chihuahua to breed. [step] If you don't already have a chihuahua, you will need to get one that is ideal for breeding. Contact a breeder that specializes in breeding chihuahuas. <sep> (A) If you are looking to adopt a chihuahua you can breed, you should get it from a well-established and humane breeder that has solid documentation of its lineage. [substeps] Make sure your potential dog is in good physical and mental shape. (B) This is a good option for investors that want to go through a breed-specific final selection process before purchasing a dog from one of the breed-specific breeders. [substeps] Breed chihuahuas can learn complicated rules, including you will need to breed them yourself, or you may be able to substitute a dog from a previous relationship with one that is already bred. (C) Look around for a unique breed, preferably one that offers a wide variety of features. Remember to pay attention to age, as a young chihuahua is a rodent, and a healthy small baby chihuahua needs to be training and raised carefully. (D) Shop around a few different places before settling on one that is right for you. [substeps] Get a volunteer or mentor for this breed.

Ex Output:
A

Ex Input:
A woman is standing outside in the snow talking to a man. he <sep> (A) puts a fire in a pit of wood and lights a match. (B) helps her snowboard back into the car and they drive away. (C) is holding a black snow shovel. (D) is lighting a fire while she watches.

Ex Output:
C