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". 

Example Input: This video allows viewers to hear the testimony of a customer who has used the pro roofing service. First the man tells how he heard about the service and how great it is. he <sep> (A) also says that he chose pro roofing because the neighbors chose it and persuaded him by telling how great the service is. (B) gets the materials to do the job and is joined by a group of small children who are drinking lemonade at the lemonade stand and talking. (C) starts by explaining how he is going to first tell the detail of creating a casing using an iron, then he starts on eggs and bacon. (D) talks about some graphic details.
Example Output: A

Example Input: [header] How to include spanking in child discipline [title] Find a private area. [step] Conducting this type of discipline in a private area preserves the dignity of your child and prevents unnecessary embarrassment. The focus should be on discipline and additional embarrassment for your child should be minimized. <sep> (A) [substeps] Look for a private area free of distractions. Have a book or other non-distracting object nearby to quiet the child and yourself. (B) [substeps] Most experts are adamant that children should never be spanked under any circumstances. Nonetheless, some parents believe that spanking is the best way to get children to adhere to rules. (C) [substeps] If you have permission to do so, choose a private area to discipline your child in private. It will help your child feel at home instead of surrounded by other adults. (D) There are a wide variety of private areas you can think about according to age and the individual or group of children that you're spanking. [substeps] Children should have close supervision at all times.
Example Output: B

Example Input: [header] How to add a pst to outlook 2010 [title] Launch microsoft outlook 2010, either by locating it within the list of programs under the start button or by double-clicking its desktop icon. [title] Click the file tab in the top left corner of your microsoft outlook window ribbon. [substeps] The ribbon is the new term for microsoft office applications' main toolbars. <sep> (A) It's a horizontal panel where outlook's toolbars just doubled. [title] Click the file tab at the top of your outlook application and scroll down through the list of tools located at the bottom of the panel. (B) Outlook 2010 has a smaller ribbon edition, so you can insert the new version of outlook 053 into your " preferences " section of the window. [title] Click view unnecessary toolbars and select " documents " from the drop-down menu. (C) While the number of options may seem more limited than those in previous versions, it is simply that microsoft redesigned the menus to make them more intuitive, concise and better organized. This includes the process necessary to create a pst file. (D) [title] Click file " search " at the top of the window. [step] This will bring out the email messages window.
Example Output:
C