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 recycle ice cream containers [title] Inspect the container for recycling info. [step] Check the packaging for any labels that indicate whether or not it is recyclable. However, be aware that these only provide general information and do not reflect whether your community is equipped to process this container. <sep> (A) [title] Obtain personal information such as your name, address, work address, phone number and any other identifying information you might be willing to share. [step] Check to see if you are allowed to remove many of these labels with your children, with the exception of paper bags. (B) [substeps] Not all people in your community will need to take the container to a recycling facility, so always check the interior or exterior of your container carefully before bringing it to a recycling center. Many parts and materials might get damaged when you tip the container, resulting in uneven storage. (C) [substeps] If your container was used for a beverage beverage, it's worth noting that many local beverage shops are still accepting recyclable containers. If your container was used for a beverage beverage, it may be better to recycle it again to get some fresh, whole varieties to replace the old one. (D) Also keep in mind that a lack of labels does not necessarily mean that the container can't be recycled. Labels to look for include : [substeps] Widely recycled: this type of container is recycled by at least 75% of municipalities.

Ex Output:
D


Ex Input:
[header] How to post to a facebook group on pc or mac [title] Go to https: // www.facebook.com in a web browser. [step] You can use any web browser, such as chrome or safari, to access facebook. If you're not already signed in, sign in now. <sep> (A) [title] Click on the downward-facing arrow in the top right corner of the screen. [step] It's at the top-right corner of the screen. (B) [title] Click your profile picture at the top-right corner of the page. [step] You will see your profile picture in the upper-right corner of the page. (C) [title] Click a group to open the group's menu. [step] Click the group on the right sidebar, or the group's upper menu of options. (D) [substeps] You must already be a member of a group to post to it on your computer. See join groups on facebook to learn how to join a group.

Ex Output:
D


Ex Input:
[header] How to make pinto beans [title] Rinse and sort through the beans. [step] Pour the beans into a colander and rinse them with running water. Remove any debris that you spot before transferring the beans to a large pot or bowl [substeps] You only need to rinse the beans for 30 to 60 seconds. <sep> (A) The main purpose of this rinse is to stir up and loosen any major pieces of debris. Debris usually appears in the form of small stones. (B) Just drain out any excess water that accumulates in the colander. Rinse and sort them after removing the excess water [title] Obtain the ingredients for the recipe. (C) After rinsing, reposition the beans so they're within reach of the sides of the pot for a better grip. A colander is a bowl that fills with water that you place over your beans so they're less prone to slipping out. (D) If you notice any food particles on the beans, run your hands through them to rinse off any particles that may have dripped from the beans. Avoid throwing away any food that has fallen onto the beans when you're done.

Ex Output:

A