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 know if you have glaucoma [title] Schedule regular eye exams. [step] Open-angle glaucoma leads to the gradual deterioration of your vision over an extended period of time, usually years. Most people suffering from open-angle fail to notice symptoms until the glaucoma is very advanced and nerve damage has occurred. <sep> (A) [substeps] Glaucoma is usually attributed to a condition called retinopausal glaucoma. Doctors often refer patients with retinopausal glaucoma to psychotherapy or therapy. (B) The overall diagnosis is: glaucoma can present in two patterns: primary and secondary. Secondary glaucoma reverses almost any natural condition and the simplest way to identify glaucoma is to get three to four eye exams in a normal week. (C) [substeps] It is important to schedule eye exams every year, especially if you are over the age of 40 or have a family history or glaucoma. Open-angle is the most common type of glaucoma in the united states, affecting over 2 million people. (D) Checking your eye closely is often the first step to identifying the signs of open-angle glaucoma. [substeps] Schedule a yearly eye exam using a variety of tools.

Ex Output:
C


Ex Input:
A video of clipping a cats toenails is shown. Each paw is grabbed and the nail is pushed out and trimmed. the cat <sep> (A) paws are re-clipped making a clean appearance. (B) scrapes the nail clean before clipping it. (C) loss hurt but she's gotten over it and is now kicking back showing off her toe nails. (D) is oddly calm the whole time.

Ex Output:
D


Ex Input:
[header] How to tell someone you still love them [title] Make sure that you mean it. [step] If you're going to tell someone that you still love them, you should be certain that you do, indeed, still love them. Try to gain a clear perspective on the situation. <sep> (A) Clarify why you are telling this person that you still love them, and try to imagine how he or she will react. Ask yourself what you hope to gain from saying this. (B) Are your feelings so strong that you don't think about or act upon them fully? [title] Walk away from them. [step] If you know you do still love them, that doesn't mean you're crazy. (C) Remember how others have handled this situation in the past, and how you've done it differently. Figure out exactly what you mean by love to you, and stick to it. (D) [substeps] You don't want to come across as clingy when you say it out loud. Instead, try to convey that you just want to be friends.

Ex Output:

A