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: ipod generation 7
Product list:
A: iPod Touch 7 Touch 6 Touch 5 Waterproof Case, BESINPO Full-Body Protective Built-in Screen Protector Dustproof Shockproof Anti-Scratch Cover Case Compatible with Touch 7th/6th/5th Generation Blue
B: Apple iPod Touch 7th Gen 32GB - Space Gray (Renewed)
Answer: B,A