Detailed Instructions: 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".
See one example below:
Problem: [header] How to create a christmas tree forest [title] Consider the type of tree you want to plant. [step] There are a wide variety of christmas trees and include fir, pine, spruce, cypress, and cedar. These trees thrive in different climates and look different from one another. <sep> (A) It is important to research the tree before setting up your tree to try it out to make sure you can write the tree's growing season so that you can get the most supplies you need. If you're just interested in having a tree stand out, then make sure to check for the following : [substeps] Spruce trees. (B) [substeps] Trees green may be used in a mix of green and evergreen. Greens, such as pintos and olive oil, may be more delicate than these. (C) Where the trees grow together is up to you. [substeps] Spruce trees light up the night for hours in the morning and drown out the morning sunrise between afternoons. (D) Think about where your tree forest will be located and choose a tree that can thrive in that climate. [substeps] Balsam firs are a popular christmas tree species that grow in the northern united states and canada, in hardiness zones 3-5 or states like minnesota, north dakota, and montana.
Solution: D
Explanation: This is a good example. Only option D is about Christmas trees. So, it's the correct option.

Problem: [header] How to check the pnr status of your indian railway ticket [title] Get your pnr number. [step] A pnr number is a 10 digit numerical code that can be found on the railway ticket. [substeps] On an i-ticket (printed ticket-ticket is purchased by going to a railway station), you can find your pnr number on the top left of the ticket. <sep> (A) [title] Swipe up from the bottom right corner of the screen. [step] The numbers appear all across the screen, with the top at the top left. (B) Along with all the other meters, you can find your number by following these steps: click on your station of transit then enter your ticket number. You can find a box that contains your transit route. (C) On an e-ticket (electronic ticket-ticket is purchased online), you can find your pnr number on the top right of the ticket. [title] Go to http: // www.indianrail. (D) For an a-ticket (printed ticket has three additional numbers), get your pnr number from the correct method. However, they are always the same value.
Solution:
C