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In the years previous to Eusébio 's explosion at the Lisbon side , he was also instrumental in Benfica 's back-to-back European Cup conquests , in 1961 against FC Barcelona ( 3 – 2 ) , and the next season against Real Madrid ( 5 – 3 ) , scoring his team 's first goal on both occasions , and being club captain ; he failed to complete a hat-trick of wins in the competition after the 1 – 2 defeat to A.C. Milan in the 1963 final ( he did not play ) .
 Eusébio, Lisbon, Benfica, European Cup, FC Barcelona, Real Madrid, A.C. Milan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eusébio, Lisbon, Benfica, European Cup, FC Barcelona, Real Madrid, A.C. Milan