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: amazon telephone number for customer service
Product list:
A: How to Contact Amazon Customer Service via Phone, Chat and Email
B: The Art of Support: A Blueprint for Customer Success and Support Organizations
C: The Fermi Paradox: Where are the aliens?
Answer: A,B,C