Complex sentence: The new government attempted to reach out to the rebels, and among those who answered was Kichidemi, who returned from his Libyan exile in August; but his son, Goukouni, refused to respond to his entreaties or those of the government and remained in opposition.
Split into simpler sentences: The new government attempted to reach out to the rebels, and among those who answered was Kichidemi, who returned from his Libyan exile in August. His son, Goukouni, however, refused to respond to his entreaties or those of the government and remained in opposition.