Q: Does "In knockout competitions where a winner is required various methods may be employed to break such a deadlock, some competitions may invoke replays." provide a valid answer to "Matches where a winner must be decided is called what type of competitions?"?
A: yes

Q: Does "Without the higher profit margins of high-end systems, however, Umax judged this would not be profitable and exited the Mac clone market in May 1998, having lost USD$36 million on the program." provide a valid answer to "How much money did Umax lose when it exited the low-end Mac clone market?"?
A: yes

Q: Does "Aside from his role as Indiana Jones, Spielberg also cast Harrison Ford as a headteacher in E.T." provide a valid answer to "Who was Ford going to play in E.T., until the scene was removed?"?
A: yes

Q: Does "A census of sea life carried out during the International Polar Year and which involved some 500 researchers was released in 2010." provide a valid answer to "Part of what study is the census of Antarctic marine life?"?
A:
no