instruction:
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". 
question:
[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.
answer:
C


question:
A man shows a video of himself training for the weightlifting events in the olympics. several times <sep> (A) he practices weightlifting while someone films him and clips him outside. (B) he is shown doing lift lifts and then off of the bar. (C) , times when they are in the olympics, coaches speak with them while the camera pans around the competition. (D) , he picks up weight and lifts it over his head.
answer:
D


question:
[header] How to use depilatory cream [title] Choose a product formulated for the area you wish to remove hair from. [step] Most creams come in two versions; one for your body and one for your face. Do not use a cream designed for your body on your face, as it contains a higher concentration of chemicals which could damage the sensitive skin on your face. <sep> (A) ( they are not a good idea if you have sensitive skin because they can cause skin cancer. ) [substeps] An alternative to depilatory cream is to buy the thing specifically formulated for your dermatologist. (B) If you use both treatments, you may cause scarring or discoloration. [substeps] Most dermatologists recommend using creams containing the secretion of glycolic acid, which is a great exfoliant for dry or oily skin. (C) [substeps] Research brands to see which kinds other people like the best. Popular brands of depilatory creams include veet and nair. (D) [substeps] Sensitive skin, by definition, is the most vulnerable area for depilatory creams. If the product you chose is full of chemicals and does not contain any therapeutic properties for your skin, you may not need a cream at all.
answer:

C