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 photo is zoomed in on of a man being gored by a bull. A bull charges a man and knocks him around until people come out and distract him. it <sep> (A) cuts to the man again being charged by the bull. (B) spikes his many legs while the man shoots and is knocked out cold. (C) continues over again and there are lots of people surrounding the man and some hurt him. (D) shows the dead contestants and the loser.

Ex Output:
A


Ex Input:
The boy returns with a spoon and eats some of the pan of food. The boy takes off his sweatshirt. the boy <sep> (A) throws the sweatshirt on the pickup. (B) goes back to washing the dishes. (C) is fed chicken broth and squeezed by a friend. (D) plants his face into the pan of food.

Ex Output:

D