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

The Portobello Film Festival is an independent international film festival based in London, which annually premiers over 700 new films, including features, shorts, documentaries, music films and animation. Additionally, workshops and talks with top film directors (such as Stephen Frears and John Maybury) are also featured. Admission to the three-week-long festival is free of charge.

Sentence: The festival takes place in London within a single calendar month.
Available options:
i. Yes;
ii. It's impossible to say;
iii. No;