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:
[header] How to select perennials for edging [title] Choose perennials that can stand up to physical abuse. [step] Plants that are used to edge walkways will likely have to deal with a lot of foot traffic. Hardy, resilient perennials will therefore be a good choice. <sep> (A) [substeps] Perennials with artificial foliage won't stand out in an outdoor garden. Perennials with small bulbs can stand up to many forms of heavy concrete traffic. (B) [substeps] If you plan to display perennials on walkways, choose perennials that can stand stand up to a daily blow to the nose, or that will tolerate touch. [title] Look for perennials that can handle direct sunlight. (C) [substeps] Protect plants like roses, shrubs, and hedges with plastic. [title] Pick perennials that can withstand garden shock. (D) Examples of perennials that can withstand abuse from foot traffic include lilyturf (genus liriope) and brass buttons. [title] Select perennials that provide thick coverage.

Ex Output:
D

Ex Input:
[header] How to set up a photographer's website [title] Decide on the kind of photography you want to focus on. [step] Know your photography genre well and be good at it because it will dictate the style your site will have. [substeps] Wedding photographers tend to focus their entire graphics, copy text, logo design etc towards this niche market. <sep> (A) Professional photographers tend to focus their business or work only on the site itself. Film producers tend to focus their product exclusively on the project for which they are consulting. (B) You should dedicate yourself to familiarizing yourself with the genre you wish to work with. If you are a general photographer, choose your overall style that best resonates with you and represents your identity. (C) If you're a young woman, focus mostly on classic portraits. If you're an older woman, focus heavily on modern, new subjects like buildings, natural scenes, and landscapes. (D) Outdoors or skiing photographers tend to focus their image and may provide more professional photo services that may also accommodate different types of equipment. Photography companies often use picture cards or styrofoam cups with picture titles like " high quality photographer " and " pro photographer ".

Ex Output:
B

Ex Input:
The man throws some mock kicks at the boy while the boy tumbles in somersaults in response. The boy and man walk forward together using their hands only. the boy and man <sep> (A) continue to fly in one continuous motion for the video. (B) tie their legs and lead the boy back to square one. (C) hand hand baskets while the boy stands behind and kneels down to pick the final baskets up. (D) continue to tumble and somersault ending in an eventual hand shake at which point the boy leaves and the man walks over to the drummer.

Ex Output:
D