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: backless body shaper bra with tummy control
Product list:
A: Backless Women Body Shapers BodySuit Clear Strap Party Dress Invisible bra
B: Spanx Undie-tectable Thong Soft Nude LG
Answer: A,B