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". 

[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.
D

[header] How to band a goat [title] Purchase an elastrator from a farm and ranch supply store. [step] It is a metal tool that is used to secure the rubber band around the scrotum. [title] Buy castration bands. <sep> (A) [step] They can be purchased from your local farm supply store or from a municipal livestock supply store. [title] Buy a leather or gauze band. (B) [step] Don't use household office supplies for banding. The bands should be thick enough and tight enough to lead to castration within a few weeks. (C) [step] These are simple, metal with metal screws, two prongs, and a ribbon loop on either end. [title] Cut a small hole in each long length of the band. (D) [step] It is a device that attaches the separate rubber bands, wires, tubing and pieces of cork/plastic. It is available at local farm supply stores, ranch supply stores and hardware stores.
B

[header] How to install a whirlpool tub [title] Decide what size whirlpool tub you wish to install. [step] You can buy a whirlpool tub that fits in the same space as a regular tub. Replacing your tub with a larger size adds steps to the process. <sep> (A) Larger tubs will still bring in additional pressure and keep the tub from tilting forward too much or falling off balance. [substeps] Consult the dimensions of your whirlpool tub before making a purchase. (B) However, some people enjoy the extra space of a larger tub. [title] Contact your local building department to obtain any necessary permits and find out if there are any special rules regarding whirlpool tubs that you must obey. (C) [substeps] Consider where you will use the tub. You might choose to put it in a single room or a small four bedroom home. (D) You may be able to run a bath using a one-half or two-one quarter foot tub, depending on how large your tub is. [substeps] Larger tubs tend to handle more weight than smaller tubs.

B