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: 1/2 pvc coupler without nozzle
Product list:
A: CHARLOTTE PIPE 1/2 SCH 40 Coupling SXS Contractor Pack Pressure (10 Unit Bag)
B: Supply Giant 6I52 Flexible PVC Reducing Coupling with Stainless Steel Clamps, 2" x 1-1/4, Black
Answer: A,B