Question: 언제 첫번째 여객기가 이륙했습니까?
Answer: 1914-1-1; 01/01/1914; 01 1월 1914; 1914 1월 01; 1914 01 01; 1914 january, 01; 01 01 1914; 01-01-1914; 1914-01-01; 1914-01-01; 01/01/1914; 01 1월 1914; 1914 1월 01; 1914 01 01; 1914 january, 01; 01 01 1914; 01-01-1914; 1914-01-01