Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: internal car engine clean
Product list:
A: Optima OPT8016-103 Batteries D34M BlueTop Starting and Deep Cycle Marine Battery
B: Throttle Muscle TM7326 - Engine Flush Oil System and Engine Crankcase Cleaner 128 Oz
C: SEA Foam Motor TUNEUP 24/CASE
Answer: C,B,A