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: vtech touch and learn activity desk deluxe
Product list:
A: VTech KidiZoom Smartwatch DX2 (Frustration Free Packaging), Blue
B: VTech Touch and Learn Activity Desk Deluxe Expansion Pack - Making Math Easy
Answer: B,A