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: circuit writer conductive pen
Product list:
A: CircuitWriter Conductive Ink, silver-based, 4g 
B: 4 Pack Copper Foil Tape,Copper Tape Double-Sided Conductive with Adhesive for EMI Shielding,Paper Circuits, Electrical Repairs, Grounding(1/4inch)
C: CAIG Laboratories CircuitSealer Pen, 100%, acrylic-based, 6 grams
Answer: A,C,B