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 large dog and two small dogs are walking. Two of the dogs are tied together. a woman <sep> (A) walks next to them holding a leash for the other dog. (B) gets the dogs racket. (C) walks up to the dogs and ties their hands behind their back. (D) is trying to free the others, so one falls power washing.

Ex Output:
A


Ex Input:
[header] How to make a sleeveless shirt [title] Choose which shirt you would like to make sleeveless. [step] Almost any shirt lends itself to becoming sleeveless, but there are some common options. [substeps] T-shirts old blouses long-sleeved shirts [title] Turn your shirt inside out and lay it on a flat surface. <sep> (A) [step] Cut along the fold so the front of the shirt is close to the seam. [title] Lay a piece of duct tape across the seam. (B) [step] Roll up the sleeves so that they extend past your elbow and onto your shoulder. If you can, collect some excess material in a bag or pick it up from the floor and then place it back over your shoulder. (C) [step] This can be a small table, a textbook, or a pile of paper. Because this is the shirt with the sleeves rolled off to the side, it should be close to the outside of your shirt. (D) [step] It is important that the surface is flat so that you cut the shirt evenly. [title] Cut strips into the sleeves, perpendicular to the seam.

Ex Output:
D


Ex Input:
[header] How to make drinking water more enjoyable [title] Many natural flavorings can significantly change the taste of water without adding calories. [step] All-natural flavor additives can allow you to customize your water to your individual taste preferences, often without adding any calories or sweeteners. [title] Make unsweetened tea. <sep> (A) [step] Tea adds no calories to water but it can provide a wide range of flavor options. [substeps] Consider experimenting with black, green, white, rooibos, and herbal teas until you find a flavor that makes water more enjoyable. (B) [step] Any typical tea without artificial ingredients should be made sweetened with some pure oats, oats, rolled oats or whole wheat bread crumbs. [substeps] For a refreshing result with flavor, add an unsweetened, fresh, raw powdered tea. (C) [step] Put sugar into a cup or two of hot water, while also adding a dash of honey. The added sugar adds a little bit of honey to your regular cup of boiled water, resulting in a more syrup-like tasting tea. (D) [step] Using fresh, unsweetened tea can make your taste buds interact. Add a spoonful of water to your cup of tea to mimic the way well-aged water tastes.

Ex Output:

A