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: doctors without borders
Product list:
A: Second Suns: Two Trailblazing Doctors and Their Quest to Cure Blindness, One Pair of Eyes at a Time
B: Beyond Borders: Reflections from the Humanitarian Frontline
Answer: B,A