Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: 0 cal water inhancer without sugar
Product list:
A: RSVP Skinnies - 0 Calorie mixers - Baja Margarita, 4-boxes (6 packets per box)
B: Stur - Coconut Pineapple, Natural Water Enhancer (5 Bottles, Makes 100 Flavored Waters) - Sugar Free, Zero Calories, Kosher, Liquid Drink Mix Sweetened with Stevia, 1.62 Fl Oz (Pack of 5)
Answer: B,A