Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: campbell hausfeld stick
Product list:
A: CAMPBELL HAUSFELD TL050101AV 3/8" Air Ratchet
B: Campbell Hausfeld General Purpose HVLP Gravity Feed Paint Spray Gun with 600mL Canister (DH580000AV)
Answer: A,B