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: 7th gen fire
Product list:
A: Amazon Fire HD 10 Tablet Case, Twilight Blue
B: Kindle Fire Fast Charger, (UL Listed) AC Adapter with 6.5Ft Extra Long Cord Compatible with Fire 6 7 8 10 Tablet, HDX 6" 7" 8.9",Fire 8 Plus Tablet
Answer: A,B