<|im_start|>user
Who created the grading system for the I Liq Chuan martial art?

Context:
Sam F.S. Chin (Chin Fan Siong, 曾帆祥, born August 1, 1954) is the Grandmaster and Gatekeeper of the martial art called I Liq Chuan, and also known as "the Martial Art of Awareness". Chin developed the grading system for this system.<|im_end|>
<|im_start|>assistant
Sam F. S. Chin developed the grading system for the I Liq Chuan martial art.<|im_end|>
