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 remove malware [title] Understand that viruses, trojans, worms, spyware and bots are all malware that can damage your system. [substeps] A trojan is software that may look legitimate, but tricks you into downloading it. It then activates, and can delete files and steal data or give the perpetrator access to your system. <sep> (A) An administrator is a person with whom you can password protect your database. A trojan is a type of perpetrator that can use your database, copy and resize, hack into users' databases and earn your trademark. (B) [title] Verify that your computer has a dedicated shutoff defroster. [step] In theory, you would press the power key to turn it on and off while running the software program. (C) Helix can easily catch this software, so make sure you are safe. [title] Find the error button and quickly click on it in the settings section. (D) A rootkit can be downloaded unknowingly along with other programs that you install. It can hide on your computer and can avoid normal means of detection.

Ex Output:
D


Ex Input:
A woman is sitting down at a table talking. she <sep> (A) lifts up a box and sets it on the table. (B) puts ice in an ice bucket. (C) picks up a bottle in her lap. (D) is sitting while a child pushes a ball out into the street.

Ex Output:
A


Ex Input:
[header] How to get your boyfriend to hang out with you [title] Examine your feelings. [step] Write about your frustrations, or talk to a trustworthy friend. Perhaps you feel neglected, or frustrated, or insecure-or all of these things. <sep> (A) You may try two things or try several. Maybe you react poorly to being the " one, " and that's where things become more complicated or confusing. (B) Identify the differences so that you can address them. [substeps] It's okay to feel disrespected, scared, or hurt. (C) Who doesn't feel the same way? Confront them and pinpoint the cause of their issues. [substeps] For example, if one of your friends says that you are constantly frustrated or annoyed with him, it is likely that they don't feel the same. (D) Try to determine whether he is truly failing to keep up his end of the relationship agreement, or whether you are holding him up to unrealistic expectations. Think about how your feelings have changed over time, and consider whether this problem is symptomatic of any other problems in your relationship.

Ex Output:

D