Task: Query_Product_Rank
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: chalkboard clapper
Product list:
A: Acrylic Clapboard 9.6x11.7" /25x30cm Dry Erase Director Film Movie Clapper Board Slate with Color Sticks - White
B: Acrylic Clapboard 9.6x11.7" /25x30cm Dry Erase Director Film Movie Clapper Board Slate with Color Sticks - Black
Answer: B,A