Lilly the Witch – The Dragon and the Magic Book (original title "Hexe Lilli: Der Drache und das magische Buch") is a 2009 German children's film directed by Stefan Ruzowitzky. It is a partly animated comic fantasy based on the books by Knister, who co-wrote the screenplay.

Based on that paragraph can we conclude that this sentence is true?
the movie is based partly on comic fantasy based on books by knister

Available options:
a). Yes.
b). It's impossible to say.
c). No.
a).