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 Q]: [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 A]: C

[EX Q]: A small group of people are seen lifting a large object into the back of a van and close ups of them and a building. The people are seen riding around a large gymnasium on roller blades performing various flips and tricks. the boys <sep> (A) continue skating around and interacting with one another and performing impressive tricks. (B) continue riding around a sports stadium and performing tricks. (C) play the drums while riding around on bouncy chairs that run in a tight group. (D) ride around again in the end with more people watching on the side.
[EX A]: A

[EX Q]: [header] How to identify a hornet [title] Observe a gray, oval-shaped object made of paper. [step] While it's not actually paper, it is a paper-like substance made from hornet saliva and wood. The nest houses eggs, and hornets are very protective of both their home and their eggs. <sep> (A) The nest is low in wattage, just above 25 percent high. [substeps] Hornets usually die in late summer if they are kept warm. (B) Hence, you really don't want to be caught near their nest lest they consider you a danger. [substeps] While it starts as a small, honeycomb-looking object, as the colony grows, the nest expands to an oval shape resembling a football, stalactite, or inverted teardrop. (C) The wasp nest contains a lighter nest than a hornet, and the oil evaporates quickly after beating the wasps. [substeps] Kohkens are larger than wasps and their droppings, then there is no difference between hornets and wasps. (D) Thus, the wasps' nest is what nests a wasps nest. Two large clumps of wasps from the same potter's area should be approximately the size of a wooden shoebox.
[EX A]:
B

