Question: The Federal University of Rio de Janeiro, is a public university in the state of Rio de Janeiro, in which country, in 2015, "QS World University Rankings" ranked UFRJ as the best Brazilian federal university?
Sentence (from "Federal University of Rio de Janeiro"): In terms of scientific, artistic and cultural productions it is recognized nationally and internationally due to the great teachers, researchers, reviews and assessments made by international agencies.
Relevant evidence: No