Task: Sentence Expansion
Input (English): Governor-General Sir John Kerr , acting on his own , dismissed Prime Minister Gough Whitlam in the 1975 Australian constitutional crisis .
Output (English): One notable instance of the Governor-General acting outside the advice of the Prime Minister of the day , when Governor-General Sir John Kerr , acting on his own authority , dismissed Prime Minister Gough Whitlam in the 1975 Australian constitutional crisis .