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 make absinthe cocktail [title] Mix a simple blend. [step] Add 3 parts ice-cold water to 1 part absinthe. For a single serving, this is roughly 3 ounces of absinthe (or 3 shots) to 1 ounce of absinthe (or 1 shot). <sep> (A) [substeps] If you don't like the bitterness of the mixture, you can dilute it with 1 ounce of milk or cider vinegar instead. If you don't like the strong, milkier flavor, you can substitute nothing at all. (B) Place the absinthe in a cocktail shaker. [substeps] This drink will only last if you serve it in a cup, as the glasses will be fairly small, and will take up a lot of room. (C) For each single serving, stir in 1 teaspoon of sugar. [substeps] Alternately, absinthe can be sipped neat if you prefer the undiluted taste. (D) [title] Add the ingredients to the cocktail shaker. [step] Stir the absinthe mixture well with a cocktail spoon.

Ex Output:
C


Ex 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.

Ex Output:
C


Ex Input:
[header] How to make a ruffle skirt [title] Measure around your waist. [step] Wrap a tape measure around your waist, keeping the tape measure parallel to the floor and taut against your body. Mark down your waist measurement so that you'll be able to remember it more easily. <sep> (A) [substeps] The bottom half of the measuring tape should touch your hip. In other words, the tape measure should wrap around your lower left hip. (B) [substeps] To make a ruffle skirt, grab your measuring tape and draw it across your belly. Add 2 inches (5 cm) to your measurement. (C) Next, measure from the middle of your navel towards your waist. [substeps] The only exception to this step is if your skirt hangs down below your knee. (D) [substeps] You should measure the area of your body where you want the skirt to sit. Your natural waist is usually a good choice if you aren't sure, but if you want the skirt to sit higher or lower, move the tape measure higher or lower accordingly.

Ex Output:

D