Given the question: Information: - Irene McCormack RSJ ( 21 August 1938 -- 21 May 1991 ) was an Australian member of the Sisters of St Joseph of the Sacred Heart who worked as a missionary in Peru . There , she was executed in 1991 by members of Sendero Luminoso ( '' Shining Path '' ) , a Maoist rebel guerrilla organisation . - Mary Helen MacKillop RSJ (15 January 1842 8 August 1909), now formally known as St Mary of the Cross MacKillop, was an Australian nun who has been declared a saint by the Catholic Church. Of Scottish descent, she was born in Melbourne, but was best known for her activities in South Australia. Together with the Reverend Julian Tenison Woods, she founded the Sisters of St Joseph of the Sacred Heart (the Josephites), a congregation of religious sisters that established a number of schools and welfare institutions throughout Australasia, with an emphasis on education for the rural poor. - The Sisters of St Joseph of the Sacred Heart, often called the "Josephites" or "Brown Joeys", were founded in Penola, South Australia, in 1866 by Mary MacKillop and the Rev. Julian Tenison Woods. Members of the congregation use the postnominal initials RSJ (Religious Sisters of St Joseph). Given the paragraphs above, decide what entity has the relation 'occupation' with 'nun'.
The answer is:
irene mccormack