Original sentence: Arunachal Pradesh (अरुणाचल प्रदेश) is a region in the eastern Himalayas between India and the People's Republic of China.Arunachal Pradesh is one of two main disputed regions between India and China, the other being Aksai Chin.Formerly called NEFA (North East Frontier Agency), Arunachal Pradesh was part of the state of Assam until 1987.It is administered as an India as a state, but China claims most of it as a part of Tibet Autonomous Region.The People's Republic of China does not recognise the state itself nor its northern boundary, the McMahon Line
Edited sentence: Arunachal Pradesh (अरुणाचल प्रदेश) is a northeastern state of India.Arunachal Pradesh is one of two regions disputed between India and the PRC, the other disputed region being Aksai Chin.Formerly called NEFA (North East Frontier Agency), it was part of the state of Assam until 1987.Most of Arunachal Pradesh is claimed by the neighbouring People's Republic of China, which does not recognise the state itself nor its northern boundary, the McMahon Line