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 section citrus fruit [title] Wash your hands and the fruit because the juice will flow as you cut. [title] Use a sharp, thin-bladed knife. [step] Peel over a bowl to catch the juice. <sep> (A) [title] Begin by cutting off the ends of the citrus fruit--orange or grapefruit. [title] You can see how thick the peeling is, so cut into the peel till you reach the fruit. (B) Squeezing the fruit before you cut it will cool it. [title] Immerse the fruit in lukewarm, unobstructed water. (C) [title] Cut in a way that is not too noticeable. [step] It doesn't have to be long and sharp-sharp, unless that is what you would prefer it to be. (D) [title] Cut the entire peel from the citrus fruit. [step] Make sure to slice down, making sure to avoid leaving any sharp or pointy edges of the citrus fruit.

Ex Output:
A

Ex Input:
[header] How to recognize chickenpox [title] Watch for symptoms on the skin. [step] Approximately one or two days after developing a runny nose and sneezing, you may see red spots on your skin. These dots often start on the chest, face, and back, are often itchy, and can quickly spread to the rest of the body. <sep> (A) [substeps] When this occurs, it may also be due to a new virus. If you experience any major allergic reactions to chickenpox, such as hives or rashes, contact the doctor. (B) If you suspect that you may have chickenpox, you can easily detect these signs and get medical care. [substeps] These red itchy spots may be small, crisp, or feel tight when you press them onto your skin. (C) [substeps] If you are experiencing a runny nose, you may also develop a flu or fever the following day after taking chickenpox. Syphilis, the " natural flu, " often shows up early in the infection, and even greater in children. (D) [substeps] These red spots will turn into red bumps and then small blisters (vesicles). These spots contain the virus and are highly contagious.

Ex Output:
D

Ex Input:
[header] How to understand platonic love and friendship [title] Understand the difference between what love really is and what is platonic love. [step] Love is an emotional attachment with a special person expressed through action, care and affection and it is bond between people. Different types of love exist for different relationships. <sep> (A) Romantic relationships are meant to be mutually satisfying in terms of unity, trust, stability, and cooperation. Friends do not often talk about their crushes or situation in excess of what is platonic love and then fall back together after a few months. (B) [substeps] Romantic attraction is connection between two people. Platonic love is a connection between two people. (C) You may find yourself in love with a romantic partner based on your own actions. [substeps] Platonic love is when you feel a genuine desire to be with your partner and not just romantically. (D) For example, a mother and daughter have familial love, partners have romantic love. [substeps] The love between friends is platonic love.

Ex Output:
D