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: vending machines for sale
Product list:
A: ZZap Bill Value Counter & Counterfeit Detector - Money Cash Currency Machine (NC20i)
B: Vending Machine - Big Capsule Vending Machine - Prize Machine - Commercial Vending Machine for 2 Inch Round Capsules Gumballs Bouncy Balls - Blue
Answer: B,A