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: 10 key calculator without tape
Product list:
A: BuyRegisterRolls (12 Rolls) 2 1/4 x 150 ft White Adding Machine Tape Paper Rolls Premium One Ply Register / Adding Machine / Calculator Paper Rolls Printing Calculator 10 Key
B: Texas Instruments TI-1795 SV Standard Function Calculator
C: Helect Calculator, Standard Function Desktop Calculator, Black
Answer: C,B,A