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 get your ferret spayed or neutered [title] Verify that your ferret isn't already spayed or neutered. [step] Ferrets sold at pet stores are almost always already spayed or neutered. Many breeders also spay or neuter kits, or young ferrets, before selling them. <sep> (A) This will ensure that your ferret will not be harassed or misredirected. [substeps] Ferrets that already have an owner must also be spayed or neutered before they sell them. (B) [substeps] You can get your ferret spayed or neutered immediately upon the transmission of your ferret, leaving a good deposit for a new starter puppy, but will have to go through much more patience. [title] Ensure that your ferret can still eat. (C) [title] Familiarize yourself with the type of breeding location you need. [step] The first hurdle in breeding a ferret is to get it spayed or neutered. (D) [substeps] Purchasing a ferret that's already spayed or neutered is in your best interest, since the operation can cost a lot of money. If the store is uncertain, you can also take the ferret to the vet.

Ex Output:
D


Ex Input:
The female put the pasta in boiling water, chopped the garlic and pour olive oil in the pan, she shredded the orange peel and put in the pan and added tomatoes and seafood. the woman <sep> (A) drain the pasta, and put it on the sauce and put them in the white bowls. (B) pour salad dressing in the pan with the pasta on top, close shaped salad dressing in a glass. (C) mixed the chopped chicken and surprise and added her lemons and was pleased with her work and talking the woman am happy. (D) move the pasta, put garlic in the pan, mix it , 1 second on front the metal pan then serve with fondue pasta.

Ex Output:
A


Ex Input:
[header] How to calculate blood alcohol level [title] Understand what blood alcohol content (bac) means. [step] Blood alcohol content is a measurement of the amount of alcohol in your body. So, a bac of 0.10% means 1 part alcohol for every 1000 parts of blood. <sep> (A) To calculate total bac, multiply it by 1% to get around your bac values. A bac of 0.10% is considered high alcohol content. (B) [substeps] The higher the bac, the higher the risk of becoming elevated. Therefore, av is the most dangerous level of alcohol in your body because it can affect your body's ability to process copper. (C) It is often used for legal or medical purposes, like when determining if you've had too much to drink and drive. [substeps] A bac of 0.08%, often the legal level, indicates that you have 80 mg of alcohol per 100ml of blood in your body. (D) The bac is a measurement of the number of grams of high alcohol content. By operating on a bac, you can calculate the bac's relative percentage of blood alcohol content in your body.

Ex Output:

C