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: tritium tube bead
Product list:
A: 1pcs 1.5x6mm Trit Vials Tritium Multicolor Self-luminous 15-Years - Flashlight Tritium Gadgets - (Green) - 1 x 1.5x6mm Trit Vials
B: New EDC Beads Titanium Knife Beads Paracord Lanyard Bead with 6 Tritium Tubes (Green)
Answer: B,A