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 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 convert miles to meters [title] Convert statute (or land) miles to meters. [step] There are 0.000621371192237 miles in 1 meter. There are 1 , 609.344 meters in one mile. <sep> (A) You can also convert miles to meters by substituting inches with miles. [substeps] For example, when a marketed car is covered in miles miles, it is known as a nautical miles! . (B) [title] Understand that the difference between miata and philips is that the length of the number obtained were identical. [step] The number makes up 5 of the cube kilometers in a specific measure. (C) [substeps] Although there are different definitions of miles (such as a nautical mile), this conversion refers to a " statute mile, " sometimes called a " land mile. " that's the common way you would measure length and distance in the united states. (D) By earning " cos " (the number of miles per kilometer), you will earn 1609.6 miles in 296 meter increments during your monthly tillings and potty breaks. [substeps] The number of miles you can view by using the " lines " locator tool will vary depending on your region or the types of distances you find in the map.

Ex Output:
C


Ex Input:
[header] How to get a guy who has a girlfriend [title] Become friends with him. [step] The first thing you have to do to try to get this guy to like you is to establish contact with him. Ask him for help on your homework or a work item, advice on something, or to borrow something. <sep> (A) Just come up with a good way to make contact. Whatever the reason, go up and talk to him! [substeps] Use this initial interaction to start getting to know him and becoming friends. (B) Ask your friend over text or e-mail if you can borrow a pen or toothpick. This could be him, you likely know your way around music, literature, sports, etc. (C) Whatever you do, don't let him see that his efforts are a waste of his time. [title] Don't pass on his belongings. (D) You are literally making him jealous! [title] Start a conversation by asking him where he's from. [step] If he says " i'm from the united states, " watch how you respond.

Ex Output:

A