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 buy a blackhead remover [title] Learn your options. [step] You should not squeeze or pick at blackhead, as this can lead to infection or scarring. However, you can remove pesky or unsightly blackheads with several different types of products that may not necessarily irritate your skin or require treating it with chemicals. <sep> (A) Learning your different options can help you identify the best product for your specific blackhead removal needs. Products that can remove blackheads include : [substeps] Extractor tools pore strips clay masks topical creams [title] Identify the best remover for your skin type. (B) For example, cleansing a burnt face can peel pores, like blackheads, and subtly remove blackheads. Deep pore pimples, which are a common factor for blackheads, are not tended to dry out. (C) [substeps] Avocado, keratin, and brewer's yeast all work well in reducing the inflammation and scarring of blackheads. [title] Pick a chemical neutralizer for stubborn blackheads. (D) Some of the well known brands that are known for their blackheads include tootane, steam, huawba, and celandine. As noted above, these products are more environmentally friendly than other skincare products, especially for those kids.

Ex Output:
A


Ex Input:
[header] How to wash hockey gloves [title] Air dry the gloves for several hours after games or practices. [step] While you may not be able to wash your gloves right after you leave the rink, you should at least dry them. Take the gloves out of your hockey bag and place them on a drying rack, clothesline, or equipment tree so air can circulate. <sep> (A) After covering the gloves, let them air dry completely. Be mindful that you want to place them in a place that is moist for several hours prior to testing whether they need to dry. (B) [substeps] As a general rule, players should dry their hockey gloves no more than an hour before a game. This will allow the static build-up to overcome the bad coating and preserve the gloves for the hockey season. (C) [substeps] You may also place them in your home to air dry overnight after playing. Air drying uses natural heat, meaning you can still warm them and dry them evenly after 30 minutes without a problem. (D) Leave them for several hours or until they're completely dry. [substeps] Airing the gloves can prevent bacteria from growing on the gloves and will reduce their odor.

Ex Output:
D


Ex Input:
A woman is outside with her two kids, drawing a game of hopscotch on the ground with a piece of chalk. when she <sep> (A) is finished, the older child stands behind the number one, waves to the camera and hops all the way through the game. (B) gets to the end, she starts to push her kids to the center so the line can come together. (C) is finished she begins running around the hopscotch squares and putting red dots on the squares. (D) is finished, she starts making their faces with more chalk as well as dinosaur-type reactions to how it is done.

Ex Output:

A