Read the following paragraph and determine if the hypothesis is true:

Lamme Goedzak is a character in Charles De Coster's novel "The Legend of Thyl Ulenspiegel and Lamme Goedzak" (1867). He is the best friend of Thyl Ulenspiegel. While Ulenspiegel himself is derived from Dutch-German-Flemish folklore Lamme Goedzak is entirely created by De Coster. Despite this he has become one of the most recognizable Flemish folklore characters since.

Choose your answer from:
-- Yes.
-- It's impossible to say.
-- No.
Hypothesis: "The Legend of Thyl Ulenspiegel and Lamme Goedzak" was Charles De Coster's first novel
It's impossible to say