Given the task definition and input, reply with output. In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: The Prime Minister of New Zealand is the head of government of New Zealand. The current prime minister is Bill English of the National Party, who took office on 12 December 2016., The New Zealand National Party (Mori: "Rp Nhinara") is a centre-right political party in New Zealand. It is one of two major parties in 21st-century New Zealand politics, alongside its historic rival, the New Zealand Labour Party., Nicola Laura `` Nikki '' Kaye MP ( born 11 February 1980 ) is the member of the New Zealand Parliament for the Auckland Central electorate . In January 2013 , she was appointed to the Cabinet by Prime Minister John Key , giving her the portfolios of Food Safety , Civil Defence , and Youth Affairs , and Associate Minister of Education and Immigration ., John Phillip Key (born 9 August 1961) is a New Zealand politician who served as the 38th Prime Minister of New Zealand and leader of the New Zealand National Party. He was elected leader of the party in November 2006 and appointed Prime Minister in November 2008, resigning from both posts in December 2016., Subject: nikki kaye, Relation: member_of_political_party, Options: (A) national party (B) new zealand national party
new zealand national party