Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: blackberry key2 soft shell
Product list:
A: kwmobile TPU Case Compatible with BlackBerry KEYtwo (Key2) - Case Soft Slim Smooth Flexible Protective Phone Cover - Mint Matte
B: kwmobile Clear Case Compatible with BlackBerry KEYtwo (Key2) - TPU Smartphone Backcover - Don't Touch My Phone White/Transparent
Answer: A,B