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".

Input: Consider Input: [header] How to dry out wet currency [title] Find a dry space. [step] Make sure the bills are kept in a room with good air circulation to lessen the time it takes for the bills to dry. Keep the bills in an area where they won't get blown away or easily lost. <sep> (A) [substeps] At home, you will be able to air dry your currency if your bills stay wet. [title] Store your currencies in a dark, dry place. (B) Avoid putting the bills near open air vents or next to tight crevices where the bills could fall. Try arranging them on the edge of a sink so the water will drip to the ground. (C) Good air circulation should not damage the bills, but it shouldn't be expensive either. [title] Make sure the area is clear of wet or air-logged fabric or paper. (D) [title] Keep your bank account secure if possible. [step] Also, to help the currency from drying out, make sure the extra cash is well hidden in the bank so it isn't moved quickly to prevent the contents from spoiling or breaking up in transit.

Output: B

Input: Consider Input: The juvenile gives to the young man a shoe, then he sprays polish on the shoe and shows a toothbrush while talking. Then, the juvenile puts foam on the shoe and brush with the toothbrush. the young man <sep> (A) puts on white socks and fits on the shoe. (B) throws the shoe onto the table and rubs the shoe with white soap. (C) gives back the mirror to the juvenile and the juvenile waste the foam on his shoe, then he continues talking. (D) brushes the shoe with foam while they talk.

Output: D

Input: Consider Input: [header] How to maintain indoor fountains [title] Keep your fountain pump submerged in water at all times. [step] This will help circulate the water in your fountain and keep it filtered, in addition to minimizing the growth of algae. Your fountain pump may also become dry and burn out if it is not submerged in water consistently. <sep> (A) [substeps] Examine the water level around your fountain pump on a daily basis. This will allow you to become familiar with how often you need to add water to the fountain. (B) Some fountain pump models come with a valve that can be adjusted simply with the thumb button and the smallest screw. [substeps] It's the nucleus found on both front and rear of your fountain pump near the control panel. (C) [substeps] If your fountain pump is under water and you do not regularly run it under water, it is likely to develop algae. [title] Float your fountain when it is not running. (D) Make sure there aren't any cracks or other leaks in your fountain pump. [title] Keep your fountain pump in a central location that's protected from heat and humidity.
Output: A