Mei Li:
Introduced in the 19th Century in Britain, what were Penny Black and Penny Red??
Shuai Zheng:
postage stamps
Mei Li:
What profession was followed by Grace O'Malley, Mary Read and Anne Bonny??
Shuai Zheng:
piracy
Mei Li:
"An unexpected event is described as being ""out of the ... "" what?"?
Shuai Zheng:
blue