Original sentence: 2Liao dynasty Horses, sheep, low-quality silk  minerals, cotton, marble, ink and paper, ginseng.4Japan Mercury, minerals  ginseng, books.5Abbasid dynasty Mercury, spices, tusk  negligible
Edited sentence: 2Liao dynasty Horses, sheep, low-quality silk  Minerals, cotton, marble, ink and paper, ginseng.4Japan Mercury, minerals  Ginseng, books.5Abbasid dynasty Mercury, spices, tusk  Gold, silver