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 Q]: A man demonstrates how to walk across and navigate a slackline in a grass courtyard in front of apartments. the man <sep> (A) demonstrates how to traverse a low brick fence on a residential street. (B) walks slowly across the slackline while talking and stopping to talk to passerbys. (C) stands on a slackline balancing himself with his arms before the clip cuts to him interviewing. (D) poles backward, glasses on and he begins to walk while holding the slackline while walking across the courtyard.
[EX A]: C

[EX Q]: We see the man sitting on the floor talking to a camera. We see the man illustrating break dance moves. The man is talking and sitting still. we <sep> (A) see the man walking through the crowd at room 15 taking pictures. (B) see the man dance fast. (C) see the closing screen and a lady walks into frame. (D) see the following title screen.
[EX A]: B

[EX Q]: [header] How to withdraw roth ira contributions [title] Open a roth ira. [step] You can open a roth ira at any point in your life. To be a roth ira, the account must be designated with the word " roth. <sep> (A) " the bank statement should contain both of those two terms. [substeps] To initiate the process, type, " roth ira (pst) " into your preferred language. (B) " to open one, contact a number of brokers or financial advisers and ask about your options. Look for roth iras that do not include any opening fees or maintenance fees. (C) " [substeps] It is vital that you open it before completing your taxes. You want to open a roth ira with a taxpayer account while moving on to another. (D) " check your company's policy regarding where the funds are produced (this will tell you if the account is truly a roth ira), and what iras are required for withdrawals. [title] Check the funds allocation of your ira account.
[EX A]:
B