Mark Ingram Jr. (born December 21, 1989) is an American football running back for the New Orleans Saints of the National Football League (NFL). He played college football for the University of Alabama, won the Heisman Trophy, and was a member of a national championship team. The New Orleans Saints chose him in the first round of the 2011 NFL Draft.

Can we draw the following conclusion?
Running back is his main position and why he got drafted for the Saints

Pick your answer from:
(I) Yes.
(II) It's impossible to say.
(III) No.
(II)