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:
A man is seen shooting a bow and arrow followed by another man taking a bow and aiming. Another man is seen kneeling down before bows and speaking to the camera. he <sep> (A) clips a man on the arm and leads into a shirtless man releasing a arrow. (B) speaks more and pictures of him hitting the arrow in the bow while another draws closer with arrows. (C) points to various boxes and continues looking into the camera and speaking. (D) then approaches another man and starts shooting arrows down him.

Ex Output:
C


Ex Input:
[header] How to recognize and prevent a hookworm infection [title] Be aware of who is most at risk. [step] Some people are more likely to come into contact with hookworm infection than others due to their work, play, or other habits. Those most at risk include : [substeps] People who come into direct contact with soil contaminated with human feces such as gardeners, builders, plumbers, etc. <sep> (A) People with bare hands are at a higher risk for contracting hookworm with other people. Hookworm is a viral infection, and your body will not effectively fight the bacteria that makes up the infection. (B) Keep in mind that hookworm infection can cause gastrointestinal issues and can worsen over time. Tell your family, friends, and professionals what you are at risk of and where you are at before they know about it. (C) Products that might carry the disease contact with bee stings or pollination that might be harmful to bees also through play. Anyone under the age of 12 is at a higher risk. (D) Children who frequently play outside barefoot, or who play in contaminated soil. [title] Recognize the symptoms of a hookworm infection.

Ex Output:
D


Ex Input:
[header] How to put in contact lenses [title] Care for your contact lenses properly, whenever they're not in use. [step] This basically means two things : [substeps] Always store your contacts in contact lens solution, unless you're wearing daily disposable lenses. Contact lens solution helps to clean, rinse, and disinfect your lenses. <sep> (A) Dispose of your contact lenses by the recommended date. Most lenses fall into one of three categories: dispose daily, dispose semi-weekly, or dispose monthly. (B) This works to remove debris, residue, and paper adhesion from lenses, and so on. If you want to get your lenses professionally cleaned, particularly if you're using disposable lenses, a professional lens cleaning kit is a fantastic alternative. (C) Never put contact lenses in the tap or water bowl because the solution can contain chemicals that could ruin them. Always wear disposable lenses at night. (D) Wash your lenses and lens solution and wipe off any debris before storing. Never fill lenses with a solution of ammonia, hydrogen peroxide, and other chemicals.

Ex Output:

A