Instructions: 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".
Input: He starts of by preparing the space by moving furniture away from the walls and covering the furniture with plastic sheets for protection. He also removes the window treatments from windows. he <sep> (A) shows how to take precautionary measures with respect to electrical wiring and switches and circuits. (B) then uses a grip grip vacuum to remove all the plastic off the fronts of windows. (C) adds plastic sheets to the corner of the window in the event of loss of view. (D) then vacuums up large decorative areas.
Output:
A