Task: Query_Product_Rank
Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: mermaid tails realistic for swimming cheap
Product list:
A: Fin Fun Mermaid Tail, Reinforced Tips, Monofin Included, Aussie Green, Adult S
B: Fin Fun Toddler Mermaiden's Tidal Teal Mermaid Tail, with Matching Bandeau Bikini Top, Costume for Swimming, 3T
C: Paradise Galleries Reborn Mermaid Doll - Pearl Little Mermaid, 21 inches Head to Tail, Posable Tail
Answer: B,A,C