Original sentence: SGS has scores of musical groups in mostly classical, chamber and jazz styles.SGS has won the AMEB Music Shield 23 times in the past 25 years.Sydney Grammar School (SGS, colloquially as Grammar) is an independent, fee-paying, non-denominational day school for boys, located in Sydney, Australia.The School Orchestra engages in both national and international tours
Edited sentence: It is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system.SGS boasts scores of musical groups in mostly classical, chamber and jazz styles.SGS has won the AMEB Music Shield twenty-three times in the past twenty-five years.Sydney Grammar School (SGS, colloquially as Grammar) is an independent, fee-paying, non-denominational, day school for boys, located in Sydney, Australia.The School Orchestra has received wide acclaim and frequently engages in both national and international tours