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: mct oil powder and collagen unflavored
Product list:
A: Nutiva Organic MCT Oil Powder with Prebiotic Acacia Fiber, Vanilla, 10.6 Ounce | USDA Organic, Non-GMO, Non-BPA | Vegan, Gluten-Free, Keto & Paleo | Instant Beverage or Boost to Coffee & Smoothies
B: Keto Multi Collagen Protein Powder + MCT Oil Powder. Perfect 2:1 Ratio Zero Carb 10,000mg Grassfed Collagen Peptides + 5000mg MCT Oil Powders. Keto Meal Replacement Shake for Ketogenic Diet
Answer: B,A