Task: Query_Product_Rank
Instruction: Analyze the query and each product title. Sort the products in descending order based on their relevance to the query. The most relevant product should be at the top of the list, and output the ranked list.

Input:
Query: playground engineering & design building set
Product list:
A: Lifetime Geometric Dome Climber Play Center (Primary Colors), 60-Inch
B: ETI Toys | STEM Learning | Original Educational Construction Engineering Building Blocks Set for 3, 4 and 5+ Year Old Boys & Girls | Creative Fun Kit | Best Toy Gift for Kids Ages 3yr  6yr (101 PCS)
Answer: B,A