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: iphone 6
Product list:
A: APPLE iPhone 6S, 16GB, Rose Gold - Fully Unlocked (Renewed)
B: Apple Simple Mobile Prepaid - Apple iPhone 6s (32GB) - Space Gray
Answer: B,A