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:
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 paint masonry walls [title] Remove any flaked or peeling paint from the masonry. [step] If the wall has already been painted, you need to remove any old paint that is loose, peeling, or flaking away. On an exterior wall, this is most efficiently done with a sandblaster. <sep> (A) New paint must be removed from the wall first, gently scraping around the edges with a rat-tail tail reciprocating scraper. This is most often done on exterior paint walls that are still meant to protect it from debris. (B) In areas where a sandblaster would be too messy and cumbersome, loose paint can be removed with a stiff wire brush and a paint scraper. [substeps] Failing to remove loose and peeling paint can result in the paint flakes mixing in with your fresh coat of paint and marring the finish. (C) [substeps] Make sure to turn off the water. Do not flush the wall down the drain. (D) If there is a paint-resistant paint strip still clinging to the wall, it may be painted to the wall as well, but not directly under it. [substeps] Using a sandblaster may be wise, but if the paint is not taking off, it may be better to start by sanding lightly.

Ex Output:
B


Ex Input:
[header] How to clean fine china in a dishwasher [title] Determine if your fine china is durable enough for the dishwasher. [step] Start by examining your china to determine if it can withstand the dishwasher. Fine china can be classified into two types: porcelain china and bone china. <sep> (A) Porcelain china is durable, while bone china is sturdier and much easier to clean. Bones china will be better with fine china, as they will be able to withstand the dishwasher's force (eg. (B) Both types are kiln fired at high temperatures, so they are pretty durable and non-porous, meaning they may be able to withstand the occasional run in the dishwasher. [substeps] Fine china that has been made recently, within 10-15 years, may be able to withstand the dishwasher. (C) Porcelain china is more durable and must be cleaned with care. Bones china, on the other hand, are more expensive and less fragile. (D) Porcelain china will need almost half a gallon of water and half an gallon of detergent. Bone china needs about 30% less water, but is able to withstand off-heat temperatures much better.

Ex Output:

B