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". 

Input: Consider Input: A close up of sneakers is shown followed by a person holding up various objects and mixing them together in a bowl. the person <sep> (A) then sets the bowl into a kettle while using tongs to grab the contents and then plays with the sticks inside. (B) pours more and finally puts them in the bowl together. (C) bowls a portion of the action into a cup and continues using the objects throughout. (D) then uses a tooth brush all around the shoe using the ingredients and showing off the shoe.

Output: D


Input: Consider Input: The man in red shirt is walking in the water pulling the group of tubes. The man stopped walking and talked to the man lying on the tube. the people <sep> (A) gathered small flowers to plant. (B) are picking the man up off of the tubes and then stopped to talk to the man sitting beside the tube. (C) put on their shoes and stood up from their tubes. (D) all stand and then get off the water and those people walk down a dirt path to the water.

Output: C


Input: Consider Input: [header] How to conduct a secondary survey of the neck, spine and back during first aid [title] Check your abc's. [substeps] Airway. The victim must have a patent airway. <sep> (A) They must not wear headwear or lean on their head during the procedure. Cover every part of the neck and spine. (B) If they are as porous as an ice pack but comfortable in the water and water, the ice will be able to penetrate the veins, mucous membranes, and liver. The same basic process applies if they have an airway. (C) There can be no obstruction and air should freely move in and out. Without a patent airway, nothing else matters. (D) An uncorrected airway is found in case your ambulance is on scene. Some states might allow one other person to operate the airway [title] Check the victim's head.


Output: C