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 whitewash trim [title] Set up your working area. [step] Cover the floor with a drop cloth to keep dust and whitewash off of it. Open screened windows and doors to provide ventilation. <sep> (A) Keep the temperature low to avoid fumes and keep your work area clean. Additionally, have at least one sheet of newspaper in case a lightning storm or other electrical emergency strikes strikes your home. (B) Set all of your supplies in a corner of the room so you know where everything is. [substeps] If you don't have a lot of experience painting, use painter's tape to tape off areas you don't want to get whitewash, like the walls. (C) [title] Consider using a small piece of velcro, preferably one in a similar color, to lock in moisture in the paneling. [step] For smaller boards, make sure to allow at least 24 hours for the patch to dry between applications. (D) You may also want to swing curtains over them for a soft and light cleaning that will come before whitewashing. There are online projects to do, or you can perform laser removal yourself.

Ex Output:
B


Ex Input:
[header] How to pick a healthy sugar glider [title] Find a breeder. [step] If you want a sugar glider, your best option is to find a breeder. Breeders work specifically with sugar gliders and will have more knowledge about how to care for them, therefore increasing the risk of you obtaining a healthy pet. <sep> (A) [substeps] When visiting a breeder, look at their food and water dishes regularly. Good breeders will tell you how often and provide you with other food and water containers. (B) [substeps] Ask other breeders at local pet stores about their experience handling sugar gliders. If you want a sugar glider in your home, you'll want to make sure they have a dry skin. (C) [substeps] Finding a sugar glider breeder can be difficult. It's not as easy as finding a breeder for a particular kind of dog as there are few specific networks for breeding sugar gliders. (D) [substeps] If you will have a sugar glider in your home, breed it from their own genetics and pedigree, not the other way around. Don't get a sugar glider that has a steady and well-structured life.

Ex Output:
C


Ex Input:
[header] How to get bigger chest muscles (pecs ) [title] Do push ups. [step] This often-neglected exercise focuses on building up your shoulder and upper chest muscles. Lie face-down on the floor and start with your hands about shoulder-width apart, with your legs stretched behind you. <sep> (A) Push your body up from the floor with your hands until your elbows are straight, then lower yourself until your arms reach a 90 degree bend. [substeps] Do 3 sets of 15 push-ups, or as many as you can before growing fatigued. (B) Your elbows should be bent at a 90 degree angle and your hands should rest squarely on your shoulders. Your feet should be planted firmly on the floor, but not so bent that they are bending below your hips. (C) Lift one leg up off the floor and bring it down to your ankle in a hard, controlled motion. Turn over on to your other side, keeping your torso balanced on your forearms. (D) Pull yourself up until your front chest is above the floor ( [title] Do arm press-ups. [step] The arms will do most of the weight-bearing (control) for you.

Ex Output:

A