Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: map of central and south america
Product list:
A: North America Wall Map - Atlas of Canada - 34" x 39" Matte Plastic
B: Painless Learning Educational Placemats South America Central America and Canada Maps Set Non Slip Washable
Answer: B,A