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: [header] How to visit the top 10 tourist destinations in london [title] If you are planning to visit london why not try visiting the following must-see places? [title] Visit the british museum at great russell street. The british museum's art collection includes artworks from all over the world. [step] The british museum houses the rosetta stone, sculptures from parthenon, and the portland vase. <sep> (A) Visit art galleries, amazing places, and places which you have never been. [substeps] Do not forget to ask for drivers from the london lights station, trinity quarter , 121 lights avenue-this is the only modern route to london. (B) The british museum is considered as one of the best in the world and it was established in 1753 via the act of parliament. The first collections were from sir hans sloane. (C) They are also accessible by either gps or facebook. [substeps] If you are going to the london museum, press the' get started' button. (D) Occasionally you may see art museums in london that serve as places to observe british history-like the australian museum. [title] Then take the ferry from oxford to mcdonald's, the capital city of london.

Answer: B

Question: [header] How to do indian meditation [title] Sit on the floor or in a chair. [step] Find a place where you can sit comfortably for at least ten minutes. It could be indoors or outside. <sep> (A) You could even wear the same socks or wear the same footrest. Although there are many practicing yoga, it is not truly necessary to practice it. (B) Don't meditate in a bad home, as, your home will be home to a chronic and pushy person, and it will likely get tired again. [substeps] If you can, find a warm place that will allow you to sit comfortably for at least 30 minutes, preferably in a room that is not hot or stuffy. (C) [substeps] You could also hold a prayer or light candle. If you can't find a comfortable place in your home, try reading a magazine or doing a search for guided meditation websites. (D) What matters most, however, is that it is quiet and free from distracting noise like music, television, or people talking. [substeps] Not all noise is bad in the vipassana tradition.

Answer: D

Question: [header] How to oxide concrete [title] Select your color. [step] There are a multitude of oxides available that you can add to concrete. Choose from red, light brown, dark brown, yellow, and black, among other colors. <sep> (A) [substeps] It's also a good idea to buy and soak your concrete of choice in clear water before you proceed. A homemade infusion can be rubbed across concrete with plastic or glass. (B) Avoid mixing these color schemes together as they will bleach the concrete. [title] Label concrete with a " h " or " gb. (C) [substeps] Some of these colors are ideal to have on slabs of concrete, while others are problematic due to damage. Either leave this option out, or slightly paint the concrete slightly-colors like blue can be hazardous to you and your skin. (D) [substeps] Black is typically used in home driveways and gas stations because it hides oil stains and grime. Brown hues are common in industrial flooring and some homes.

Answer:
D