Complex sentence: Her activities included serving as the State Commissioner for Girl Guides, she served on the board of the Queen Victoria Hospital, the ABC advisory committee, she was the vice-president of the Young Women's Christian Association (YWCA).
Split into simpler sentences: Her activities included serving as the State Commissioner for Girl Guides, serving on the board of the Queen Victoria Hospital and the ABC advisory committee. She was the vice-president of the Young Women's Christian Association (YWCA).