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 train chickens [title] Use treats to motivate your chickens. [step] Chickens love food, so treats are good for reinforcing the behavior you're trying to teach them. When training your chickens, give them a treat after they do something right. <sep> (A) While trotting your chicken, offer them treats like carrots. Because you can literally feed them, birds will feel good being shown treats. (B) If you don't have treats at home, you can also play a game of fetch or running around with your chickens until they give you the treat. [title] Hold your chickens while you're training them. (C) If possible, give it after every meal, otherwise the chickens will eat the treats. [substeps] Food treats are also used to reinforce your chickens' behavior. (D) Try to use treats that are different than their regular food. Some easy treats that chickens love are dried mealworms, bird seed, fruits, and vegetables.

Ex Output:
D


Ex Input:
A group of men plays soccer in a sand area. a crowd <sep> (A) watches the game and applauds players riding in stadium waiting for their turn. (B) watches as several goal is made. (C) watches from the the stands. (D) watch and takes pictures as the teams walk up and down the field.

Ex Output:
C


Ex Input:
[header] How to cite a scientific journal [title] Give in-line reference numbers for citation-name or citation-sequence. [step] If you are using one of these systems, the only in-text information you need to provide is the location of the source within your reference list. [substeps] For example: tortoises are susceptible to a variety of ectoparasites, including ticks and cloacal mites. <sep> (A) Because these parasites are also living with houseplants, it's unlikely any information you list will meet this criteria. [title] Include at least three citations-name-of the journal you're citing. (B) If you are citing a scientific journal, use your location to put the author's name or date of publication. If you are citing a scientific journal, use the reference number. (C) The format of the citation number may vary depending on the preferences of your instructor or editor. Citation numbers may be written in superscript or placed in brackets [] or parentheses (). (D) A web browser such as safari or any other browser developed by published authors. [title] Provide a reference number for your journal.

Ex Output:

C