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: n95 mask without valve
Product list:
A: NIOSH Certified Makrite 9500-N95 Pre-Formed Cone Particulate Respirator Mask, M/L Size
B: KENKO Disposable 4-Ply Face Masks, Breathable & Comfortable Filter Safety Mask, Protection Mask for Dust Air Pollution (50, BLUE)
Answer: A,B