Question: Tim Tackett is a martial arts instructor who runs a non-profit group that is dedicated to preserving a hybrid philosophy of martial arts that was referred to by Bruce Lee as what? 
Sentence (from "Bruce Lee's Secret"): Bruce Lee's Secret (aka Secret of Bruce Lee and Bruce Lee's Deadly Kung Fu) is a 1976 Hong Kong martial arts action film directed by Chan Wa and William Cheung Ki, which is also a pseudo biopic of Bruce Lee.
Relevant evidence: No