Does "From the semi-finals onwards, the fate of the contestants is decided by public vote." contain the correct answer to "At what point does the public begin voting for contestants?"

A: yes

Does "In season eight, Latin Grammy Award-nominated singersongwriter and record producer Kara DioGuardi was added as a fourth judge." contain the correct answer to "Who was added as a fourth judge for the eighth season?"

A: yes

Does "Van Praag writes that these "tributary missions" were simply prompted by China's need for horses from Tibet, since a viable horse market in Mongol lands was closed as a result of incessant conflict." contain the correct answer to "who was a professor of the University of Washington?"

A:
no