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: He then swings and misses many times. The boy finally gives up and takes the blindfold off. a different woman <sep> (A) joins the procession holding a blindfold in her hand. (B) walks in and stops near the pinata. (C) appears and places it around the boy's eyes. (D) comes and speaks to the camera while the boy continues to throw more balls across the field.
Example Output: B

Example Input: [header] How to act during a fire drill [title] Stay calm. [step] Do not panic when you hear the fire alarm. Also, it's important to stay quiet so you can hear any instructions. <sep> (A) Also, do not get caught panicking. Staying calm will help you calm down as the fire clock ticks and alarms go off at regular intervals. (B) [title] Do not attempt to push the drill to divert the fire. [step] Do not attempt to push the drill at people or leave the master fuse unattended. (C) Turning to your cell phone or microphone can be deadly! [title] Stay warm. [step] Do not wait until the fire is out to stay warm! Your body temperature can drop, but it's better to stay near a heat source. (D) [substeps] In fact, it's important to be quiet and calm the whole time the fire drill is happening, not just when it starts. [title] Treat the alert as if it were a real fire.
Example Output: D

Example Input: [header] How to be a radio board operator [title] Obtain your high school diploma. [step] You can learn many things during your high school years that will be beneficial to you as a radio board operator. Math classes help you calculate time measurements. <sep> (A) Math is particularly high as you are asked for, research, and professional work experience. Many medical schools have their websites on their standardized tests. (B) Earning a high school diploma can be a great way to show initiative in a field you feel you can do. [substeps] High school diploma courses may require the basic skills of a broadcasting operator. (C) You'll need to be certified as a certified or certified climber in order to work on land. Your high school grades will likely be affected by your high school talent since climber membership increases your likelihood of being hired as a certified climber. (D) Computer classes help you become skilled with new computer programs and software. Speech classes prepare you to speak on air, if given the opportunity.
Example Output:
D