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".

Example Input: A man shows how to change a tube in a tire. he <sep> (A) puts a jack under the tube to lift it up. (B) puts a new tire on the tube. (C) takes the old tube out, puts the new one in, then pumps it up. (D) moves dirt covering the tube.
Example Output: C

Example Input: [header] How to ride the toronto subway [title] Use the ttc trip planner. [step] The toronto transit commission (ttc) offers a helpful trip planner on its website. Simply enter your starting point and destination into the appropriate fields, then set your departure or arrival time. <sep> (A) [substeps] To make the trip more convenient, you may enter new york city during the day. For a more convenient route, you can install a new york subway monitoring app on your phone or tablet. (B) [substeps] Search for your nearest ttc station and check for the train you'll be scheduled to take. If your train is local or you're traveling by car, check the transportation schedules and online signs to find one. (C) [substeps] Due to the poor travel times and tourist costs, ttc trips often take 30 minutes or less on weekdays and 45 minutes once throughout the week. Ttc only prolongs this travel time in the 21st century. (D) The planner will let you know which train to take and when to catch one that fits your schedule. [substeps] You can find the trip planner here: http: // ttc.ca/trip _ planner/index.
Example Output: D

Example Input: [header] How to get a home improvement loan [title] Estimate the total cost of your home improvement project. [step] Knowing the cost of your project is critical in determining the required size of your home improvement loan. Make sure to get estimates from several contractors to ensure you are getting a reasonable price. <sep> (A) [substeps] Make an allowance of about 10 percent in determining your ideal loan amount, as unexpected costs may arise during the renovation. At this point, you should consider whether you will be able to pay for any part of the home repair with cash. (B) Generally speaking, a home improvement loan can cost between $2200 and $1600. [substeps] In most large home improvement projects, the cost of improvements in excess of a certain amount of the total cost of the home improvement project can range anywhere from less than $2200 to over $200 , 000. (C) [substeps] Assess the size of the project and find out how much you can reasonably charge. For example, if your home is 3 stories, then you would be able to charge $8 , 000 per square foot. (D) Most home improvement lenders will give you rates on all sorts of hard subcontractors, so take a moment to compare your own estimates to find what's well above the average. [substeps] Include other cost measurements like net cost of the builder's amenities and homeowner's monthly rent reduction.
Example Output:
A