Complex sentence: He is trained by Jan Gooyvaers with full of competitiveness up against other students in Belgium for 9 years.t he changed his trainer, Jan Pasztjerik from the Netherlands since 1999.
Split into simpler sentences: He is trained by Jan Gooyvaers with full of competitiveness up against other students in Belgium for 9 years. After that he changed his trainer, Jan Pasztjerik from the Netherlands since 1999.