"He called out for help and some co-workers came to his help and carried him up the stairs and called for an ambulance. The ambulance took him to a nearby hospital where they diagnosed him with having a heart attack. Wang Xu Feng went home two weeks later but was still quite ill. During the hospital stay the doctors did many blood tests. One of them was for cholesterol. His was very high. His doctors told him this was one of the reasons, in fact the main reason, that he had a heart attack. Wang Xu Feng had never heard of cholesterol. What was the thing in his blood?"
This program is already assigned to that list.