Question: Which airline, that flew only with foreign models, is the largest airline of the Russian Federation?
Sentence (from "Citizenship of Russia"): Citizenship of Russia is regulated by the federal act regarding citizenship of the Russian Federation (of 2002, with the amendments of 2003, 2004, 2006), Constitution of the Russian Federation (of 1993), and the international treaties that cover citizenship questions to which the Russian Federation is a party.
Relevant evidence: No