Question: Who is the leader of opposition in the country Tony Tuff is in?

full_context: Document 1: Hector John: Hector John (born 22 October 1970) is a Dominican politician in the United Workers' Party. He is the current Leader of the Opposition, the youngest ever to hold that position. He was first elected as a Representative to the House of Assembly in 2009.
Document 2: Tony Tuckson: John Anthony Tuckson (18 January 1921 at Port Said, Egypt – 24 November 1973 at Wahroonga, Australia), was an Abstract Expressionist artist, an art gallery director and previously a war-time Spitfire pilot. He died of cancer.
Document 3: Leader of Opposition (Uganda): The Leader of Opposition (LOP) in Uganda is the title bestowed upon the elected leader of the largest political party not within the ruling government. The Leader of Opposition appoints and heads an alternative Shadow Cabinet whose duty is to challenge and influence government legislation on the floor of Parliament The current Leader of Opposition and first Ugandan female to hold the position is Hon. Winnie Kiiza of the Forum for Democratic Change. The Opposition in Uganda is made up of members from Forum for Democratic Change, Democratic Party, Uganda People's Congress, Congress Party and JEEMA.
Document 4: Leader of the Opposition (Dominica): The Leader of the Opposition of the Commonwealth of Dominica is the Member of Parliament who leads the Official Opposition in the House of Assembly of Dominica. The current Leader of the Opposition is Hector John of the United Workers' Party, sworn in 19 July 2010; John is the youngest to hold the position.
Document 5: Tony Tuff: Tony Tuff (born Winston Anthony Morris, c. 1955, Kingston, Jamaica) is a reggae singer who was a member of The African Brothers in the late 1960s and 1970s before embarking on a solo career.
Document 6: Tony! Toni! Toné!: Tony! Toni! Toné! is an American soul / R&B group from Oakland, California, popular during the late 1980s and early to mid-1990s. During the band's heyday, it was composed of Dwayne Wiggins on lead vocals and guitar, his brother Raphael Saadiq (born Charles Ray Wiggins) on lead vocals and bass, and their cousin Timothy Christian Riley on drums and keyboards. Other members were Elijah Baker, Carl Wheeler, Randall Wiggins, and Amar Khalil, who is the current lead singer of the group, and Antron Haile.
Document 7: Singing Melody: Everton Hardweare (born 23 November 1967), better known by his stage name Singing Melody, is a Reggae artist from Kingston, Jamaica. He is known for his abilities as a vocalist, his production work and for combining aspects of Reggae and R&B in his own releases.
Document 8: Tony Fomison: Tony Fomison (12 July 1939 – 7 February 1990) was a notable artist in New Zealand. He was an important post-war visual artist in the country and influenced New Zealand art by incorporating elements of narrative and myth into contemporary art.
Document 9: Prime Minister of Jamaica: The Prime Minister of Jamaica is Jamaica's head of government, currently Andrew Holness. Holness, as leader of the governing Jamaica Labour Party (JLP), was sworn in as Prime Minister on 3 March 2016, succeeding People's National Party (PNP) leader Portia Simpson - Miller. This was a result of the JLP's victory in Jamaica's 25 February 2016 general election.
Document 10: Leader of the Opposition (Singapore): The Leader of the Opposition of Singapore is usually the leader of the second largest political party represented in the Parliament of Singapore. During the 1955 Legislative Assembly election, the late Lee Kuan Yew was the "de facto" Leader of the Opposition, as the People's Action Party was then the second largest political party represented in the Legislative Assembly.
Document 11: Leader of the Opposition (Sri Lanka): The Leader of the Opposition in Sri Lanka is the politician who leads the main opposition party. This is the leader of the largest party not within the government, usually the leader of the second largest party in the Parliament. The post of Leader of the Opposition is a political office common in countries that are part of the Commonwealth of Nations.
Document 12: Leader of the Opposition (Jamaica): The current holder of the post of Leader of the Opposition is Peter Phillips as a result of his party's loss in the 2016 general election and his ascension to leader of the main opposition party in Jamaica in 2017, succeeding Portia Simpson Miller.
Document 13: The Ramong Sound: The Ramong Sound was a London based outfit, that featured two black lead singers doing Sam & Dave styled duets, one of them being former professional boxer Clem Curtis, and the other being Raymond Morrison aka Ramong Morrison. Curtis joined the group after hearing from his uncle that the lead singer of the group Ramong, was looking for backing singers and he should give it a try. At this time was Curtis's singing experience was more or less limited to singing with his uncle when he came around the house with the guitar. Prior to joining the Ramong Sound, 25 yo Curtis was a professional boxer and had worked as a painter and interior decorator. Guitar player Alan Warner was an experienced musician, and joined the Ramong Sound after having worked in various bands. He would stay with the group through all of their name change evolutions from Ramongs to Foundations, until he left the Foundations in 1970 to join progressive rock band Pluto. At some stage the group had dropped the "sound" part of their name and shortened it to simply The Ramongs, or The Ramong.
Document 14: Tying Tiffany: Tying Tiffany (also known as TT and Tiff Lion) is an electronic music singer and songwriter, born in 1978 in Padua, Italy. She stated that the idea of her stage name was born from a photo book by artist Nobuyoshi Araki.
Document 15: Rocky Dawuni: Rocky Dawuni is a Ghanaian singer, songwriter and record producer who performs his signature 'Afro Roots' sound which is a mixture of Reggae, Afrobeat, Highlife and soul music. He currently lives between Ghana and Los Angeles.
ground_truth: Peter Phillips
sub_queries: What country was Tony Tuff in? Answer: Jamaica
who is the leader of opposition in Jamaica Answer: Peter Phillips