Mei Li:
What is the ring made of in sumo wrestling?
Shuai Zheng:
clay
Mei Li:
Which US crime writer also wrote under the name of Evan Hunter??
Shuai Zheng:
ed mcbain
Mei Li:
"Who joined Roy Jenkins, Bill Rogers and Shirley Williams as the Social Democrats ""Gang of Four""?"?
Shuai Zheng:
david owen