Today: checking that others have understood instructions. Shang Yan, from China, works as a train cleaner in Tokyo. Her company, which is responsible for cleaning trains and station buildings, employs 220 foreign workers. Shang Yan-san leads a team of 5 cleaners. She joined her current company out of a desire to keep Tokyo sparkling clean. Now that she's a leader, she needs to be able to check that others have understood instructions. To help improve, she tackles a roleplay challenge.