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: nerf guns for boys 8 years old
Product list:
A: Nerf Stratobow
B: Taiker Compatible with Nerf Vest Kit, 2 Pack Tactical Vest for Nerf Gun, N-Strike Elite Jacket for Boys, Girls
C: Dude Perfect Signature Bow Nerf Sports Biggest Nerf Bow with 2 Nerf Whistling Arrows For Kids, Teens, and Adults
D: NERF Elite 2.0 Phoenix CS-6 Motorized Blaster, 12 Official Darts, 6-Dart Clip, Scope, Tactical Rails, Barrel and Stock Attachment Points
Answer: D,A,B,C