question: What are the two largest opera houses in Paris ?
answer: Opéra Garnier ( historical Paris Opéra ) and modern Opéra Bastille ;
turker_answer: Opéra Garnier ( historical Paris Opéra ) and modern Opéra Bastille are the two largest opera houses in Paris .
rule-based: The two largest opera houses in Paris are Opéra Garnier ( historical Paris Opéra ) and modern Opéra Bastille .