instruction:
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".
question:
A view is seen of the outside of an airport, then the wing of the flying plane. A man is on the plane wearing a mask. several people <sep> (A) are sleeping in the dark quarters. (B) fly by on a road inside the plane. (C) are shown flying the aircraft, while shooting at a large target at one point. (D) speak, then they all fly kites on the plane while people walk by.
answer:
A

question:
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.
answer:
C

question:
[header] How to exercise in bed [title] Do push-ups. [step] Push-ups are a classic exercise that can increase arm strength. You can also easily do them from your bed. <sep> (A) Sit in the same position as you would if you were in bed; as long as your back doesn't hurt, and your feet are comfortably on the floor, you're good to do push-ups. [substeps] To do a push-up, lie on your side. (B) Reach into your drawer to find and complete three sets of six to 12 reps each. Doing push-ups with the help of a chair or wall can give you access to very useful exercise pieces. (C) To do push-ups, stand with your feet shoulder-width apart. Raise your arms above your head and legs up into the air. (D) [substeps] Place your knees or toes and your hands on the bed, while keeping your back straight. If you're a beginner, it's a good idea to use your knees over your toes.
answer:
D