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]: We see a person sharpen a knife on a sanding disc. The person touches it and turns it off. The person turns it on and then off off. we <sep> (A) see the person sharpening the knife on a cookie sheet. (B) see a man run in slow motion. (C) then see the title screen. (D) see the man talking to the camera.
[A]: D


[Q]: [header] How to write a home improvement contract [title] Define what you want to do. [step] You can't write a good contract unless you can define exactly what you want to accomplish. Whether it's a major project like an internal remodel that includes adding rooms or rearranging walls, a new bathroom, or merely adding lighting, you must have a firm grasp on all aspects of the project. <sep> (A) [substeps] A full contract makes certain kinds of health and safety issues more likely. If you try to get your home as good as possible, the other person might skip ahead to any settlement offer. (B) Your objective should be clear from the outset, however. [substeps] Don't wait around for the right time. (C) [substeps] Make sketches or print out photos that closely match what you would like to do. This can help you when selecting a contractor and writing the contract. (D) [substeps] If you need to include a unique color scheme, don't just list and label certain, however. You don't need to thoroughly describe every detail of the project, either.
[A]: C


[Q]: [header] How to chill champagne [title] Chill vintage champagne between 54 and 57 degrees fahrenheit. [step] Vintage champagne, which comes with years printed on the label, should be served between 54 and 57 degrees fahrenheit. This temperature is best achieved by using an ice bucket. <sep> (A) Only use cold tap water to chill the champagne. [substeps] You should not refrigerate the bottle-entire bottle will be damaged. (B) [substeps] You can stand straight next to the bucket or sit inside it. Keep a cup of ice in the bucket or in your fridge along with a nightlight that's been infused with a biodegradable freezer removable thermometer. (C) An ice bucket usually has a slightly warmer temperature than you would get in your fridge. [title] Fill a bucket with half ice and half water. (D) [substeps] To chill vintage champagne, put the bottle of champagne into the refrigerator overnight to properly chill it. If you stored your champagne in a plastic container, thaw it before freezing it.
[A]:
C