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 install a bakflip hd tonneau cover on a ford f150 [title] Place the rail of the bakflip hd on right hand side bed rail of the f150. [step] Slide the tonneau rail all the way forward to the bulk head. It is a good idea to have a squeeze clamp or similar to hold it in place. <sep> (A) [title] Slowly turn the bakflip over so it moves slowly, its going to wobble and have to be bent the opposite way of the rail. [step] Be prepared for a lot of bumping. (B) [title] Tightly wrap round tray socket on right hand rail over cover and fasten. [step] Compression disks complete a swivel mounted over rail. (C) [title] Place the included rail clamps in place. [step] Tighten with a wrench or socket. (D) This will prevent the oil from jumping up and down accidentally while the g2 is being painted. [title] Place the nikon bolt assembly inside the couplers cradle.

Output: C


Input: Consider Input: [header] How to support your child's body image [title] Encourage body acceptance for your child no matter what. [step] A positive body image stems from your child knowing that healthy can look many different ways, with different shapes and sizes. They don't have to look a certain way to be healthy or attractive. <sep> (A) [substeps] Your child should enjoy being body so they are helpful in changing their body and walking, whatever it is, to their body. This encourages them to be like the truly beautiful people they are. (B) Encourage your child to feel his body is more attractive and healthy than his other features. The way your child looks is really his form. (C) Remind your child of this often so it becomes ingrained in their mind. [substeps] For example, you may say, " healthy does not mean skinny or super buff. (D) They can be simply sitting at home and enjoying themselves, while still being an amazing and valuable member of their social group. [substeps] The ultimate idea is to encourage your child to use their body to help them achieve a sense of self.

Output: C


Input: Consider Input: The two collaborate to mix the bag and some other ingredients in a large bowl. The first girl gets something from the refrigerator. The two are shown mixing the bowl in turn. the two <sep> (A) shapes the mix from the bowl into lumps and places them on a baking sheet. (B) decide sea life to prepare for their breastfeeding day. (C) experience a moment of weightlessness before relaxing into a comfortable routine on the sofa. (D) continue mixing and 4 glasses come together with a bowl of cookie dough.


Output: A