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: on the black hill by bruce chatwin
Product list:
A: Brodie's Notes on "On the Black Hill" (Pan Study Aids)
B: The Nightowl's Dissection
C: Bruce Chatwin Pair of titles: On the Black Hill (1984) & The Songlines (1987)
Answer: A,C,B