Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: hex bolt 50
Product list:
A: U-Turn - M10-1.50 x 65 mm Hex Flange Bolt Din 6921 10.9 Zinc Yellow (5 Pack)
B: uxcell M8x50mm Hex Bolts 304 Stainless Steel Hexagon Screw Bolt 5pcs
Answer: B,A