Complex sentence: She also returned to study as graduated Bachelor of Arts in 1974, following which she became an Organizer for the Hospital Employees Union of Western Australia, and she was the first woman on the executive of the West Australian Trades and Labour Council.
Split into simpler sentences: She also returned to study as graduated Bachelor of Arts in 1974. She later became an organizer for the Hospital Employees Union of Western Australia, and she was the first woman on the executive of the West Australian Trades and Labour Council.