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:
Carved pepper jack-o-lanterns are seen prepared. a woman <sep> (A) uses a knife to carve out the center and facial features of a bell pepper then places in a dish. (B) measures their luster with a brush. (C) comes to the camera holding a trumpet, canting it and exhaling the air from her nose. (D) puts candles in a bowl and holds a candle while eating.

Ex Output:
A

Ex Input:
A room is shown with an acoustic guitar lying across a beige sofa and a stone art piece in front of the sofa with rocks in it. a person, face unseen , <sep> (A) is standing in front of the rock wall with canvas in front of him and paints on a pallet. (B) begin to play the guitar and an image of a man teaching him how to play while he's playing backs into her music room and onto a white screen, not a person else. (C) holds a lit cigarette and the approached to lift up the guitar in a lounging pose. (D) approaches the sofa and picks up the guitar.

Ex Output:
D

Ex Input:
[header] How to build leg muscles [title] Train two or three times a week. [step] Many people think that to build muscle you have to train every day, but that's not the case. Muscles get bigger when they get small " breaks " in training, and get stronger when they build up again during rest days. <sep> (A) [substeps] Try to make sessions slightly shorter each week. This can be anywhere from five to eight sessions. (B) There are several ways to improve leg muscles : [substeps] Use a tape measure or pencil to measure the distance between your lower thighs and upper thighs. Line up the measuring tape and record the distance so you can accurately find the number of steps you need to put on each leg before starting to create a " plan ". (C) So don't exercise the same muscle groups two consecutive days. Rotate muscle groups so you're training your arms, back, chest, and other areas on the days you aren't working out your legs. (D) [substeps] One study found that those who train three times a week increased leg strength and ultimately reduced the cost of physical activity as a result. If you lose a few pounds, you can increase the amount of you workout routine.

Ex Output:
C