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 woman is sitting down at a table talking. she <sep> (A) lifts up a box and sets it on the table. (B) puts ice in an ice bucket. (C) picks up a bottle in her lap. (D) is sitting while a child pushes a ball out into the street.
Example Output: A

Example Input: [header] How to get rid of migraines [title] Learn all you can about migraines. [step] Nobody knows exactly what causes migraines. A lot of research has gone into the exact cause of migraines, but with little success. <sep> (A) People who experience migraines regularly have been having regular consultations with doctors and they still don't know what is causing them. Anything you experience requires some much-needed research or hypnosis to rule out any medical issues or underlying conditions. (B) Migraines result from a lack of sensory focal points or groups. They occur in fewer than three brain groups. (C) Just finding out what causes them will give you some tips on dealing with them. [substeps] Most people develop migraines because they have no symptoms or aren't able to respond to stimuli. (D) It is generally agreed upon that the trigeminal nerve plays a role in migraine pain. The trigeminal nerve is a cranial nerve that facilitates a major pain pathway.
Example Output: D

Example Input: A woman hands a young boy a stick with a little girl grabbing for her attention. The pinata is lifted and the boy begins swinging at the object. the camera <sep> (A) zooms in on the pinata and then the girl. (B) is upside down so everyone else can't see the object. (C) pans around people watching while he hits the pinata and a little boy is seen clapping behind him. (D) zooms in on the boy's head and he looks at the pinata person in the background.
Example Output:
C