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". 

Q: [header] How to make black coffee [title] Purchase freshly roasted, whole bean coffee. [step] If you can't purchase it directly from the roaster within a week or so of it being roasted, opt for a vacuum-sealed bag from a reputable national coffee-bean roaster. [title] Purchase your own coffee grinder, or grind it in the store. <sep> (A) [step] If possible, choose a burr grinder in place of a normal blade grinder. For best results, grind the coffee fresh right before brewing each day. (B) [step] Grind coffee beans in the near-black zone of a coffee grinder. You can use either a regular-size grinder or a pre-grind grinder to grind your coffee. (C) [step] Modern coffee grinders have drawbacks, as they require higher temperatures to make purified coffee. Where possible, purchase one that comes pre-boil. (D) [step] Print it onto a piece of paper, remove the lid from the coffee grinder, and grind the coffee beans in the machine's center. [title] Unplug the coffee grinder and plug it into the wall outlet.

A: A
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Q: 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.

A: A
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Q: Two men are inside a gym. One is in boxing gloves and the other is wearing arm guards. they <sep> (A) spar with each other, then do some wall wrestling. (B) show off the different moves in punching and kicking. (C) hit a punching bag that doesn't budge. (D) are doing a workout on punching gloves.

A:
B
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