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: A room is shown with an acoustic guitar lying across a beige sofa and a stone art piece in front of the sofa with rocks in it. a person, face unseen , <sep> (A) is standing in front of the rock wall with canvas in front of him and paints on a pallet. (B) begin to play the guitar and an image of a man teaching him how to play while he's playing backs into her music room and onto a white screen, not a person else. (C) holds a lit cigarette and the approached to lift up the guitar in a lounging pose. (D) approaches the sofa and picks up the guitar.

A: D
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Q: A man demonstrates how to walk across and navigate a slackline in a grass courtyard in front of apartments. the man <sep> (A) demonstrates how to traverse a low brick fence on a residential street. (B) walks slowly across the slackline while talking and stopping to talk to passerbys. (C) stands on a slackline balancing himself with his arms before the clip cuts to him interviewing. (D) poles backward, glasses on and he begins to walk while holding the slackline while walking across the courtyard.

A: C
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Q: [header] How to sneeze properly [title] Cover your nose and mouth with a thick tissue. [step] This is the best way to contain your germs. Cold virus, respiratory syncytial virus, and influenza are are passed by droplets in the air. <sep> (A) Protect your nose against these types of viruses by applying tissue to minimize the amount of one to one, thick hair covering your nose, mouth, and eyes. [substeps] You can use tissue as a mask, covering your nose with a white paper towel when you breathe. (B) By removing as much airflow as possible you run the risk of passing the germs along to others, such as the dog. The narrower the opening of your nostrils, the better your contagious immunity is. (C) When spreading these germs, make sure that you wear a thick, cotton, bug-proof, or fabric nose mask. [title] Clean your mouth with a can of spray. (D) Releasing these viruses through sneezing and coughing is the main way these diseases are spread. Practicing respiratory etiquette (covering your mouth and nose, washing your hands, etc.

A:
D
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