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 dry your hair [title] Pat your hair dry with a towel. [step] If you can, try to use a microfiber towel. Microfiber towels are soft and gentle on all hair types. <sep> (A) Avoid using dull towels, since they make hair really dry quickly. [substeps] If you're in a hurry, dampen a microfiber towel with some water and wring it out. (B) You don't need to rub the towel over your hair, just pat it dry. [title] Choose a hair shade that reflects well. (C) They are less likely to snag, rip, or tear your hair than regular towels. Microfiber towels can also help reduce frizz. (D) Make sure to pat the towel dry gently and without abrading your hair. After drying, use the apple cider vinegar spray to gently splash your hair with cool water.

Ex Output:
C

Ex Input:
A person is seen shaving the head of a person seen in a chair in front of him. The person brushes off his hair and then signs his name on a piece of paper. more men <sep> (A) are seen shaving their heads and one speaks to the hair stylist on what he wants. (B) are seen speaking to the camera and leads into a clip of a man walking on a slack line. (C) are seen being dressed up as barber ladies and speaking to a woman in front of a mirror. (D) are seen into the camera as they talk to one another and lead into a man getting a tattoo on someone's leg.

Ex Output:
A

Ex Input:
[header] How to maintain clear skin [title] Wash your face every morning and night. [step] This helps get rid of germs and bacteria along with other debris that can clog your pores and cause blackheads and acne. [substeps] Wet your face with cool water. <sep> (A) Then using your fingertips massage your skin on both sides of your face. Lightly rub your facial skin to remove all of the dirt and debris from your face. (B) Hot water is harsh on skin and will strip your skin of its protective oils. Cool water, on the other hand, can help prevent your face from overproducing oil. (C) Then place your face over your mixing bowl or plate. Place your face over your mixing bowl with your dominant hand (hand free if possible) and your other hand (hand free if you have your hand free. (D) Use two fingers to gently swab your skin in circular motions. Gently sponge your face with your fingertips to help remove all impurities.

Ex Output:
B