Read the text and determine if the sentence is true (see options at the end):

We have Gary Smith, Rene Kitson, John Shaw, Gary Fraser representing B.C., Paul Brewer, Leslie Hamill, Judith Scott representing NCR, Kevin King, Steve Covell representing the prairies, Mike Benoit, John Irving representing Ontario, Abdelkader Elkak, known as ElKak, Denis Dupre representing Quebec, Byrun Shandler representing the north, Nycole Turmel as an officer, and the negotiator is Luc David.

Sentence: Denis Dupre does not represent the prairies
Available choices:
I. Yes;
II. It's impossible to say;
III. No;