Definition: 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: A hand is pulling out a tube, used the tube to vacuum the stairs and the corner of the ceiling, then a hand took out the tube and threw away the dust from the transparent tube. a woman <sep> (A) is carrying the vacuum and put it in the storage. (B) wearing gloves is hanging around a room in a home cleaning shop with a vacuum from the inside out and gently moving the floor with the tube. (C) is being vacuumed while talking. (D) with a 50 cals machine is walking across the hall while taking picture and singing into the microphone.
Output:
A