Complex sentence: MGS was founded in Singapore on 26 July, 1887, by Sophia Blackmore who was an Australian missionary sent by the Women's Foreign Missionary Society of the Methodist Episcopal Church of America.
Split into simpler sentences: MGS was founded in Singapore on 26 July, 1887, by Sophia Blackmore. She was an Australian missionary sent by the Women's Foreign Missionary Society of the Methodist Episcopal Church of America.