Mei Li:
In which English county is the source of the River Trent ??
Shuai Zheng:
staffordshire
Mei Li:
What plant, imported from the New World, changed the face of Italian cooking??
Shuai Zheng:
tomato
Mei Li:
Which musical instrument has a name that translates as 'jumping flea'??
Shuai Zheng:
ukulele