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 make filling steak salad [title] Wash and slice the lettuce and cucumber, and add them to the salad bowl. [step] The lettuce should be sliced about 1/2 " wide, and the cucumbers should be quartered lengthwise and then sliced. The salad bowl should be medium-large sized. <sep> (A) [substeps] You can also wrap the top half of the lettuce with aluminum foil, and then set it aside for later. [title] Heat oil in a shallow frying pan or skillet and slice cucumbers over medium heat. (B) [substeps] If you have any extra long slices of lettuce, cut those into thirds. [title] Add the mozzarella cheese to the salad bowl, and toss until everything's combined. (C) [title] Combine the olive oil and turmeric with the lettuce, mix well, and pour in the juice from your scallions. [step] You can speed the process considerably with olive oil and turmeric. (D) [title] Thinly slice and submerge the lettuce in the water. [step] Make sure that the water covers every inch of the lettuce.

Output: B

Input: Consider Input: [header] How to post to a facebook group on pc or mac [title] Go to https: // www.facebook.com in a web browser. [step] You can use any web browser, such as chrome or safari, to access facebook. If you're not already signed in, sign in now. <sep> (A) [title] Click on the downward-facing arrow in the top right corner of the screen. [step] It's at the top-right corner of the screen. (B) [title] Click your profile picture at the top-right corner of the page. [step] You will see your profile picture in the upper-right corner of the page. (C) [title] Click a group to open the group's menu. [step] Click the group on the right sidebar, or the group's upper menu of options. (D) [substeps] You must already be a member of a group to post to it on your computer. See join groups on facebook to learn how to join a group.

Output: D

Input: Consider Input: [header] How to prepare your dog for a road trip [title] Visit your veterinarian. [step] Perhaps the first step in preparing your dog for a road trip is to make sure that he or she is healthy enough to take the trip. This should be no problem if you regularly take your dog to the vet for checkups and other issues. <sep> (A) If you have not : [substeps] Make an appointment with the vet. Talk to your vet to make sure your dog is up to date on important vaccinations. (B) Your veterinarian will be able to provide you with vaccinations, in addition to taking your dog in for professional vet visits. [substeps] Although canine infection is rare, your veterinarian may be able to provide vaccine for canine infectious diseases, like measles. (C) Mention that your dog needs to follow a certain food regimen and behaviors during the trip. [substeps] Do not try to " test " your dog's blood for any diseases. (D) Make sure your veterinarian shows that your dog is up to date on his or her vaccinations. [substeps] Be sure to bring your dog's current medication and acceptable lab coat.
Output: A