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: boys purple under armour shirt
Product list:
A: Under Armour Boys' SC30 Zero Shots Missed Short Sleeve T-Shirt, Black (001)/Orange Glitch, Youth X-Small
B: Under Armour Girls' Big Logo Tee novelty short sleeve, Nocturne Purple//Flight Purple, Youth X-Small
Answer: A,B