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". 

Input: Consider Input: [header] How to eat to improve fertility [title] Be aware that having a balanced, healthy diet does not guarantee higher fertility. [step] There are many online sources and several books that claim that switching to a more balanced and healthy diet can lead to improved fertility. Though it is always beneficial to eat a healthy diet, it should not replace other fertility treatments and options. <sep> (A) Making sure that you are eating adequate and not too many calories or trans fats can lead to strong, lasting health patterns. In order to see results, eating a balanced diet is essential. (B) The key to avoiding eating more fertility treatments is truly taking in proper nutrients and the exercises you perform regularly. [substeps] Vitamin b6, vitamin b12 and high quality foods like bread and fruits help you to relax and begin functioning properly. (C) [substeps] Healthcare providers believe that we often mistake pre-existing disease as the cause of our fertility problems. These people often mistake their diet as their only sources of positive energy. (D) However, maintaining a healthy diet and lifestyle may reduce a woman's risk of irregular ovulation and could improve her chances of getting pregnant. [title] Keep in mind fertility diets may only work for a small subsection of women.

Output: D


Input: Consider Input: [header] How to keep spiders out of your gardening boots [title] Wash an unwanted pair of pantyhose. [title] Cut the legs off and discard the waist portion. [title] Roll a leg over the open portion of the boot, pulling down to the toe area. <sep> (A) [step] If your leg is not entirely off, fold the front under so you may have one leg intact, exposing only a toe area and one upper portion. Trace a few lines on the bottom piece of the boot using a pencil. (B) [step] Leave about two inches of leg open. This will allow bugs or vines to climb up. (C) [step] The toe area will sit across the open portion of the boot. The pantyhose acts as a barrier against any creepy crawlies finding their way inside. (D) [title] Cut off the side of a skinny sock. [title] Pull some adhesive glue, such as elmer's glue or duct tape, onto a small space in the sock, about ½ to ¾ an inch wide.

Output: C


Input: Consider Input: [header] How to halt a program installing to your computer [title] If a program will not stop installing when you push the " cancel " button, it means one of 2 things. [step] A: the program is unresponsive, or b: the program is installing malware and wants to infect your computer. There are a couple things you can do : [title] First off, try hitting the cancel button. <sep> (A) [title] You might also consider attempting to open the info screen again. [title] Find the password or any other variable. (B) [step] Your computer might just be unresponsive, and will cancel the install when it recovers. [title] If it still won't stop, open task manager. (C) [step] Unfortunately, this can still open the program. [title] After logging in, the program will prompt you to reboot and shut down your system. (D) [step] This button is located in the upper left-hand corner. You should see all running programs-where it is located is ctrl + alt + h.


Output: B