Man from Plains (originally titled He Comes in Peace) is a 2007 American documentary film written and directed by Jonathan Demme, which chronicles former President of the United States Jimmy Carter's book tour across America to publicize his new book, "".
Can we infer the following?
Demme learned a lot about President Carter.

Choose from: 1). Yes; 2). It's impossible to say; 3). No;
The answer is:
2).