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:
A small group of girls are first seen walking out on a gymnasium floor with several people watching on the sidelines. the girls <sep> (A) come together on a patch and begin performing dance moves with one another. (B) begin dancing and flipping with one another slowly back and fourth. (C) then perform a routine using batons while spinning and twirling. (D) then begin performing a routine on a step stool and ends with them getting back in the circle of walkers and dancing on the spot.

Ex Output:
C


Ex Input:
The man takes a shot at the gift wrapping. The lady finishes wrapping the gift. The man folds an edge, and the lady tapes it. the man <sep> (A) opens the package and allows the lady to remove a box lid. (B) closes and rewraps the gift. (C) squeezes her hand, and she takes a picture. (D) presents the box to the camera and talks.

Ex Output:
D


Ex Input:
[header] How to treat infected ingrown hair [title] Never try to cut out an ingrown hair. [step] If ingrown hairs become chronic and you try to use some object to dig out the ingrown hair, scars can form. Avoid any " bathroom surgery " and don't use tweezers, needles, pins, or anything else to dig out an ingrown hair. <sep> (A) Instead, use tweezers or whatever device you have available to bite through the ingrown hair. [substeps] The most common items to cut out a ingrown hair are coffee filters, rubber bands, or elastic bands. (B) This will increase the risk of a scar forming and can increase the risk of spreading the infection. [title] Stop shaving, tweezing, waxing, or removing the hair in the affected area. (C) [substeps] Although it's not necessary to remove infected hairs, your doctor may recommend that you cut out the ingrown hair yourself. This could mean you purchase a small mirror to take pictures. (D) [title] Have a doctor talk with you about the ingrown hair at least five days before the surgery. [step] You'll know by feeling the ingrown hair underneath the surface of your skin.

Ex Output:

B