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 plant switchgrass [title] Pick a switchgrass variety. [step] If you look for switchgrass at your local nursery you may just find a plant that's labeled " switchgrass, " but there are actually several varieties that differ in color and size. Switchgrass blooms for almost half the year, and during the winter and spring it's usually brown. <sep> (A) [substeps] Magnolia trees produce about 50% of the moisture. Maple trees produce 50% of the moisture per year. (B) Both varieties of switchgrass produce pretty stunning flowers, unique patterns, and flowers. Most also have phlebotomists at the planting areas where it grows. (C) These are factors to keep in mind when you're choosing a variety for your garden. Here are a few types commonly grown in home gardens : [substeps] Northwind: grows four to six feet tall and produces yellow blooms. (D) Pine needles will establish a base that's ready for planting a newer, more established fire from. [substeps] Switchgrass colors for more variety can also be found at a garden center or online.

Ex Output:
C


Ex Input:
A man talks and points his hair, then a woman wash and cut his hair with a machine and scissors. The man talks and after the woman continues cutting the hair. Then, the man shows bottles while talking. after <sep> (A) , the person uses scissors to cut the hair, also the clip it and then kiss it on the shoulder and the neck. (B) , the man shows a bottle and vodka and vodka, and afterward pour and mixes with water to form a drink. (C) , the woman braid his hair and, then she puts in curlers the person has used. (D) , the man blows and comb his hair, then he puts cream to his hair to stylish, then talks pointing hair.

Ex Output:
D


Ex Input:
[header] How to stop aggressive toddler behavior [title] Remain calm. [step] If your child is acting out in an aggressive way, stay calm. Don't get angry, yell, or act in an aggressive way to the child. <sep> (A) They may get defensive and start a fight. If you can stay in a calm state, the child's aggression will escalate. (B) Ask the child, " what is causing you to behave aggressive? " be patient and remain calm while the child speaks. [title] Play " hide and seek " games. (C) Instead, keep your cool and calmly tell the child that you understand it is not his fault. [substeps] Try to keep your cool even though your child acts out. (D) Remaining calm will help your child calm more quickly. If you get upset, that will feed your child's aggression and make things worse.

Ex Output:

D