Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: coaching confidence
Product list:
A: Life Coaching for Successful Women: Powerful Questions, Practical Answers
B: From Skill Set to Mindset: 8 Must Have Systems for Volleyball Coaches to Build Confidence and Win
C: Billy Blanks: This Is Tae Bo
Answer: A,B,C