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: canon eos t mount adapter
Product list:
A: Metabones Canon Full-Frame EF-Mount Lens to Canon RF-Mount Camera T Speed Booster Ultra 0.71x Adapter
B: Lightdow T/T2 Mount Lens Adapter Ring for Canon EOS Rebel T3 T3i T4i T5 T5i T6 T6i T6s T7 T7i SL1 SL2 6D 7D 7D 60D 70D 77D 80D 5D II/III/IV DSLR Camera
Answer: B,A