Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: wusthof knife set without block
Product list:
A: Wusthof Classic Ikon 10 Piece Knife Set with Acacia Block
B: Wusthof Block Knife Storage, 17-Slot, Black
C: Wusthof Classic IKON Precision Forged High-Carbon StainlessSteel German Made, 3-Piece Starter Set, Black
D: Wusthof Classic IKON Knife Block, 7 Piece, Black, Stainless
Answer: C,D,B,A