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". 

Ex 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.

Ex Output:
D


Ex Input:
A boy with dark hair and no shirt is mowing a dirt patch with small patches of grass using a large, orange, push lawn mower. as the boy <sep> (A) continues, he starts to try and mow the grass with the yellow, wind powered, when he is done, he tosses the mower and walks onto the right side of the yard to break the grass apart. (B) finishes his task, he takes the mower off of the camera frame but instead of disappearing behind the screen, he appears to be zooming in on the grass on the left. (C) mows, he pauses and flashes to the camera and two ends are shown before suddenly zipping back to the beginning. (D) mows the dirt patch, large amounts of dirt come up from the ground in a smog like blizzard.

Ex Output:
D


Ex Input:
The camera then zooms in on the target. The website scrolls across the screen again and the man fires three more arrows. the screen <sep> (A) returns to including the arrows scrolling down. (B) cuts to black and green numbers. (C) changes to gray and the man shows the brand of bow is a bowtech. (D) fades to black and we see a lot of white text and the items on this website.

Ex Output:

C


