claim: South Island is referred to as the "mainland."
evidence: The Hon. Claude Hilton Matthews -LRB- 19 January 1899 -- 9 January 1954 -RRB- was an Australian politician and a member of the New South Wales Legislative Assembly from 1934 until his death in 1954 .. New South Wales Legislative Assembly. New South Wales Legislative Assembly. He was variously a member of the Australian Labor Party -LRB- ALP -RRB- and the Australian Labor Party -LRB- NSW -RRB- .. Australian Labor Party. Australian Labor Party. He held a number of ministerial positions including Colonial Secretary. Colonial Secretary. Chief Secretary of New South Wales