Given the question: Information:  - James Harold Wilson, Baron Wilson of Rievaulx, (11 March 191624 May 1995) was a British Labour Party politician who served as the Prime Minister of the United Kingdom from 1964 to 1970 and 1974 to 1976.  - The Prime Minister of the United Kingdom is the head of Her Majesty's Government in the United Kingdom. The prime minister (informal abbreviation: PM) and Cabinet (consisting of all the most senior ministers, most of whom are government department heads) are collectively accountable for their policies and actions to the Monarch, to Parliament, to their political party and ultimately to the electorate. The office is one of the Great Offices of State. The , Theresa May, leader of the Conservative Party, was appointed by the Queen on 13 July 2016.  - Gladys Mary Wilson , Baroness Wilson of Rievaulx ( born 12 January 1916 ) , née Baldwin , is an English poet , best known as the widow of former British Prime Minister Harold Wilson .    After reading the paragraphs above, we are interested in knowing the entity with which 'mary wilson' exhibits the relationship of 'member of political party'. Find the answer from the choices below.  Choices: - conservative party  - labour party
The answer is:
labour party