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 woman cleans a cafeteria floor with a mop while occasionally talking to the camera. the woman <sep> (A) uses a mop on the floor under her chair and in a bucket. (B) uses the mop around the tables and some seating areas as well as around fork corners. (C) uses a mop nozzle to clean the floor. (D) walks to and cleans a different part of the cafeteria floor.

A: D
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Q: [header] How to numb a tooth [title] Take an over-the-counter-painkiller. [step] A painkiller like ibuprofen or acetaminophen should be your first step in trying to numb a painful tooth. These painkillers will alleviate the pain from your tooth, and should also decrease any swelling in the infected area. <sep> (A) [substeps] If you are not able to find ibuprofen, you can opt for acetaminophen instead. [title] Freeze food that contains aspirin. (B) [substeps] Ibuprofen can be applied within 30 minutes to up the duration of an over-the-counter painkiller. Follow the manufacturer's instructions and do not take ibuprofen within 30 minutes after it has been applied. (C) [substeps] Make sure you read and follow the dosage on the packaging. Do not eat anything until told to do so by your dentist to ensure you are following the proper dosage. (D) These are all readily available at your local pharmacy. [substeps] If you're treating a toothache in a child younger than 18, do not give him or her aspirin.

A: D
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Q: [header] How to make converted rice [title] Using a formula of 1 part converted rice to 3 parts water, mix together the water and rice in a large pot with a lid. [step] For 2 servings, that would be a 1/2 cup rice and 1 1/2 cups water. [title] Add some fat. <sep> (A) [step] Put some fat into the water mixture to make the water boil. [title] Boiling the water helps the oil to release and will loosen the starchy cells. (B) [step] Use 3% fat found in fish foods (fish oil is relatively safe) and you should probably use tofu. A thick amount is a good amount but you can technically do more or less. (C) [step] Drizzle some fat over all of the rice. Be sure to choose peanut fat, however be careful not to over saturate the rice. (D) [step] Add 1 tablespoon of oil, margarine or butter to every 1/2 cup of rice in the pot. [title] Cover the pot and bring the water to a boil.

A:
D
****