Mei Li:
How many tiles are there in a standard Mah Jong set??
Shuai Zheng:
144
Mei Li:
Which French tennis player defeated Serena Williams at this year's Wimbledon Championships??
Shuai Zheng:
marion bartoli
Mei Li:
What volcano exploded in 1883 with the force of 200 megatons of TNT??
Shuai Zheng:
krakatoa