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".
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Question: A large group of people are seen moving around on exercise bikes. the group <sep> (A) kicks around one another while others watch on the side. (B) move together while the camera pans around. (C) moves around the road and jumps on and off the exercise bikes. (D) rides around, bumping into one another.

Answer: B

Question: We see an animated opening screen. A child washes and dry their hands leaving the water on which and adult turns off. we <sep> (A) see a boy record himself skating on the ice. (B) see a blue information screen. (C) see two people rinse their hands off as adults wash theirs. (D) see the kids wash their hands and leave the water.

Answer: B

Question: [header] How to have a great smile [title] Brush your teeth correctly. [step] The single most important thing you can do to keep your teeth healthy is to brush them two to three times a day, using the proper technique. A lot of people fall short in this area, so make sure you understand exactly how you should be brushing your teeth. <sep> (A) Some other tips to keep in mind include chewing gum a few times a day, and being sure you brush well. [title] If you don't currently own a good-quality toothbrush, you might consider buying a decent brush or getting two. (B) [substeps] Each time you brush your teeth, you should brush for approximately two minutes. Try using a timer to help you get the timing right. (C) Keep brushing your teeth and washing your face twice a day. [title] Make sure your teeth are clean and healthy. (D) Brush your teeth at least two times a day, followed by brushing at least twice a day at night and then once every evening. Brushing your teeth will also help to prevent cavities, mouth infections, and gums problems.

Answer:
B