Input (grade 12): Nagqu Prefecture (also Naqu or Nagchu);; Wylie: Nag-chu Sa-khul; simplified Chinese: é # æ å å; pinyin: NÃ qÅ "DÃ qÅ") is the largest prefecture of the Tibet Autonomous Region.
Output (grade 10): Nagqu Prefecture (also Naqu or Nagchu); NÃ qÅ "DÃ qÅ") is the largest prefecture of the Tibet Autonomous Region.