Question: The Mercurial Vapor is a football boot endorsed by which Portuguese professional footballer who plays as a forward for Spanish club Real Madrid and the Portugal national team?
Sentence (from "Cristiano Ronaldo"): Often considered the best player in the world and widely regarded as one of the greatest of all time, Ronaldo has four FIFA Ballon d'Or awards, the most for a European player, and is the first player in history to win four European Golden Shoes.
Relevant evidence: No