question:
The Baird system was discontinued in February 1937.
When was the Baird system discontinued?

answer: yes

question:
The loudest instruments such as the drums and trumpets were positioned the farthest away from the collecting horn.
Where were loud instruments best placed for good sound quality?

answer: yes

question:
The developer, Kite Realty out of Indianapolis, has made agreements with major national chains rather than local businesses, a move that has led to criticism from alumni and students.
Who is the developer of Eddy Street Commons?

answer: yes

question:
Democracy and Power in An American City, a very influential book in political science by preeminent Yale professor Robert A. Dahl, which includes an extensive history of the city and thorough description of its politics in the 1950s.
Who is the author of "Who Governs? Democracy an Power in An American City"

answer:
yes