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 use pomade [title] Pick between oil based or water based pomade. [step] Oil based pomade is the more traditional choice, but water based is a bit more popular. The choice depends on the look you're going for with your hair. <sep> (A) [substeps] Oil based pomades tend to be the a bit less expensive than water based pomades. They give a much greasier and shinier look than water based, and they typically have a much stronger hold. (B) When you can opt for oil based, your hair will have the smooth, glossy look you want. If you want the pomade to have a more polished finish, look for a one sided pomade. (C) [substeps] Oil based pomade may look great when you put hair in a ponytail or bun, while water based pomade doesn't add much volume and requires much more work. Other oils low in taste, such as coconut oil can make hair easier for you to twist and style. (D) [substeps] For medium length hair, shave your legs down to your toes to style it nicely. For longer hair, shave a small pile of hair up about half an inch in front of your face.

Ex Output:
A


Ex Input:
[header] How to deal with jet lag [title] Carry your medications with you. [step] If you're on an antidepressant, make sure to put them in your carry-on luggage to take with you. Also, make sure you have enough medication to last the whole trip. <sep> (A) If you're going to need more than you have, talk to your doctor about getting an extension on your prescription. [title] Get the amount of sleep you need. (B) If you think you'll have a bowel movement in the plane, keep your medications on hand. [substeps] Make sure you pack a high dosage of anti-diarrheal medication. (C) Additionally, bring any prescription birth control pills, emergency blockers, and any medical or physician required medications. [title] Bring contact information for medical personnel who may be outside of the area. (D) [substeps] Drugs like amitriptyline and terbinafine are both mood boosters, so make sure to have them on hand during travel. If you're on a prescription medication, follow it's dosage recommendations closely.

Ex Output:
A


Ex Input:
[header] How to ask a guy to homecoming [title] Determine whether or not he already has a date. [step] This will save you a great deal of time and effort, and give you ample time to make other plans if necessary. Try asking around if you are unsure. <sep> (A) Many guys and girls might be into the same area, and sometimes everyone is a little nervous about asking a guy to homecoming. [substeps] Don't worry if you are the very first attraction he ever meets. (B) See if anyone suggests he'd like to come with you, then ask if he knows whether it's a good idea. [substeps] If he plans on it, then he may be right-he probably wants to. (C) [substeps] If he has a girlfriend, then you can safely assume that he is going with her. Don't ask out a guy if he already has a date. (D) When asking a girl to homecoming, do not ask her if she already has a date. This will save you some stress and make your timing look much worse.

Ex Output:

C