Task: Text Completion
Input (English): The man replaces the tire on the front rim and pumps it up. The man reinstalls the front tire onto the bike frame. the man <sep> (A) shows an electric piece of equipment then fastens it to the seat post. (B) replaces the bolt back on the chain saw tire. (C) removes the tire from the frame and shows it off. (D) puts the seat and the briefcase inside the bike frame.
Output (English): A