Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: a dark mind without a heart
Product list:
A: Becoming Ovary Jones: How to Fight Cancer Without Losing Your Mind
B: The Siren and The Specter (Fiction Without Frontiers)
C: Whos There?: A Collection of Stories
D: A Dark Mind Without A Heart
Answer: D,B,C,A