Input (grade 10): The CitroÃ "n BX is a large family car that was produced by the French manufacturer CitroÃ" n from 1982-1994.
Output (grade 7): The CitroÃ "n BX is a automobile produced by CitroÃ" n/O. It replaced the CitroÃ "n GS in 1982, and were replaced by the CitroÃ" n Xantia in 1993.