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 stay calm during road rage [title] Recognize your rising anger. [step] The most obvious signs of anger are often physical symptoms that emerge after the fact (like voice tone, language, and gestures). But with practice, you'll learn to recognize the warning signs of anger when you mentally check in on yourself. <sep> (A) When you're angry, you'll recognize them as part of your subconsciously hunting instincts. [substeps] Common signs of anger include: a car slamming on its brakes or a fire ensuing, which should be quickly and unequivocally obvious. (B) Your body is responding to these moods : [substeps] Your heart rate increases or drops. Your heart is racing, your breaths are rapid, and you're sweating. (C) [substeps] Most of your response time should be repetitions of the actions or sentences that trigger your anger. Often, this response is triggered by one or more things that remind you to be relaxed, both positive and negative. (D) [substeps] Common signs of anger include angry/vengeful thoughts, muscle tension, headaches, or elevated heart rate. If you catch yourself speaking out loud (even when you're driving alone) about another driver, you may be experiencing elevated anger.

Ex Output:
D


Ex Input:
A bunch of men are inside a green colored gym. They are lobbing a tennis ball back and forth. they <sep> (A) are engaged in a game of tennis. (B) bounce the ball up and down on the trampoline as they go. (C) hit the ball up high into the air. (D) knock balls off the hoops into the spectators.

Ex Output:
A


Ex Input:
[header] How to prevent theft [title] Change your home's exterior door locks if you've recently moved in. [step] For the optimum security, your home needs to be outfitted with strong deadbolts and door locks to keep your stuff and your family safe. You can, as door locks are easy and inexpensive to replace. <sep> (A) Once you do, always lock them and instruct anybody else you live with to always lock them. [substeps] It's possible that previous residents likely have kept a spare key, so it's a good idea to change the locks if you've just moved in, to help prevent theft. (B) [substeps] Note, though, that these locks cannot permanently protect your house. They are unlocked with a combination latch attached to one side of the exterior door. (C) Your home will also need to be made to obey local regulations regarding storing, repositioning, and disposing of potentially dangerous firearms. Contact your city officials to make an address change for your home. (D) You can also install new locks on hallways, stairs, or along and around entrances. [title] Install an alarm system to keep your stuff and family safe when not in use.

Ex Output:

A