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: adult football helmet
Product list:
A: Riddell Victor Youth Helmet White, Extra Large
B: Tychon Premium Soft Padded Headgear - Protection Scrum Cap for Youth & Adults - Soft Helmet for Flag Football 7 on 7, Rugby Sports & Seizures - Head Protective Helmet Fall Protection (Black, L)
C: Loudmouth Football Mouth Guard | 3D Chrome Grillz Adult & Youth Mouth Guard | Mouth Piece for Sports | Maximum Air Flow Mouth Guards | Lip and Teeth Protector (3D Grillz - Chrome White/Gold)
D: Schutt Sports Varsity Flex 4.0 Skill Football Shoulder Pads, Black, Large
Answer: A,B,C,D