Task: Sentence Expansion
Input (English): Sir Joseph Austen Chamberlain , KG ( 16 October 1863 – 17 March 1937 ) was a British politician .
Output (English): Sir Joseph Austen Chamberlain , KG MP ( 16 October 1863 – 16 March 1937 ) was a British statesman , son of Joseph Chamberlain and older half-brother of Prime Minister Neville Chamberlain .