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". 

Example Input: [header] How to eat a maryland blue crab [title] Check to see if the blue crab is in season. [step] The maryland blue crab can be found fresh or pasteurized (sealed in cans and heated to kill pathogenic organisms) throughout the year, but it is not in season all year long. The crab season in maryland starts in april and ends in december. <sep> (A) [substeps] Crabs are usually less expensive at the beginning of the season. Crabs harvested in june through august are the most flavorful. (B) However, it may also be in the winter time, if temperatures are below freezing. Check the crab's growth schedule to make sure that it is in good shape. (C) [title] Buy a crab that is not in season through meat and seafood market. [step] When all meat gets picked up, the crab goes into season. (D) [title] Purchase crab with a cold peg before your meal. [step] A cold peg nips off the bottom of the crab's shell, so check carefully when purchasing it.
Example Output: A

Example Input: There is a black dog and a white dog jumping around the person raking the leaves. The white dog is trying to bite off the rake. both the dogs <sep> (A) are walking on the grass and one of the dogs is falling. (B) are standing back on his hind legs trying to get out of the rake. (C) are playing around the man raking the leaves, trying to bite the rake. (D) do this trying to be very nice.
Example Output: C

Example Input: [header] How to have a fresh looking face [title] Wear a hat. [step] One way to protect your skin is to keep it out of the sun's rays. When you head outside, especially in the harsh light of summer, try wearing a hat to protect your face. <sep> (A) [substeps] Sun damage makes your skin look older over time. It can make it appear leathery, dry, or discolored. (B) Wearing a hat will also keep your face cooler and more natural, which means you won't have to worry about uv rays. [substeps] Keep in mind that cooler temperatures will ruin your naturally color. (C) [substeps] Hats also provide protection if you don't have sunscreen. They're also great if you go to a salon for a haircut, or shop while changing into wearing things like tight pants or long shirts or scarves. (D) Aim for a fedora if you want to keep yourself looking shiny and fresh throughout the day. [substeps] If you don't have a hat on, consider purchasing an old working hat or even a plastic one.
Example Output:
A