Mei Li:
Created in 1949 and used by the US Air Force, Sierra Sam was the first what??
Shuai Zheng:
crash test dummy
Mei Li:
What name is given to the network of canals behind the colleges at Cambridge?
Shuai Zheng:
backs
Mei Li:
Which was the first film made by 'The Beatles'??
Shuai Zheng:
hard day s night