Question: Who is the current opposition leader in the country where Ombaci is located?

full_context: Document 1: 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 2: Katakwi: Katakwi is a town in the Eastern Region of Uganda. It is the main municipal, administrative, and commercial center of Katakwi District and the site of the district headquarters. It borders Moroto District.
Document 3: Uganda: Beginning in 1894, the area was ruled as a protectorate by the UK, who established administrative law across the territory. Uganda gained independence from the UK on 9 October 1962. The period since then has been marked by intermittent conflicts, including a lengthy civil war against the Lord's Resistance Army in the Northern Region led by Joseph Kony, which has caused hundreds of thousands of casualties.The official languages are English and Swahili, although "any other language may be used as a medium of instruction in schools or other educational institutions or for legislative, administrative or judicial purposes as may be prescribed by law." Luganda, a central language, is widely spoken across the country, and several other languages are also spoken including Runyoro, Runyankole, Rukiga, Luo and Lusoga.
Document 4: 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 5: Rajya Sabha: Besides the Leader of the House, who is leading the majority, there is also a Leader of the Opposition (LOP) – leading the opposition parties. The function was only recognized in the Salary and Allowances of Leaders of the Opposition in Parliament Act, 1977. This is commonly the leader of the largest non-government party, and is recognized as such by the Chairman.
Document 6: Umbar: Umbar is a fictional place in J. R. R. Tolkien's legendarium. It was a great harbour and city on the west coast of Harad, the vast region south of Gondor in Middle-earth. 'Umbar' was a name—of unknown meaning—given to the area by its original inhabitants. The Númenóreans adopted the name, probably aware that 'Umbar' was the Quenya word for 'fate'.
Document 7: 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 8: Political party: When the party is represented by members in the lower house of parliament, the party leader simultaneously serves as the leader of the parliamentary group of that full party representation; depending on a minimum number of seats held, Westminster-based parties typically allow for leaders to form frontbench teams of senior fellow members of the parliamentary group to serve as critics of aspects of government policy. When a party becomes the largest party not part of the Government, the party's parliamentary group forms the Official Opposition, with Official Opposition frontbench team members often forming the Official Opposition Shadow cabinet. When a party achieves enough seats in an election to form a majority, the party's frontbench becomes the Cabinet of government ministers.
Document 9: 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 10: Ombaci: Ombaci is a locality in Arua district in the West Nile region in Uganda. Ombaci, which loosely translated from the local dialect (Lugbara), means "enemity exists", a reference to conflicts of the area. It is located about 4 kilometers north west of Arua town. Ombaci is the area where you will find St. Joseph's College Ombaci.
Document 11: Bugamba: Bugamba is a town in Uganda with an approximate population of 27,664 and an average elevation of 4,878 feet above sea level. It is one of the trading centres in Mbarara District. It is the home town of Francis K. Butagira, former Permanent Ambassador to the United Nations for Uganda and now Presidential advisor. It neighbours with Ndeija sub county, Mwiizi and Ruhaama which is found in Ntungamo District.
Document 12: Omugulugwombashe: Omugulugwombashe (also: "Omugulu-Gwombashe", "Omugulu-gwOombashe", and "Omgulumbashe", Otjiherero: "giraffe leg") is a settlement in the Tsandi electoral constituency in the Omusati Region of northern Namibia. The settlement features a clinic and a primary school. In Omugulugwombashe the first battle of the South African Border War was fought in 1966. The government of Namibia erected a monument in honour of this battle at the thirtieth anniversary of the start of the conflict in 1996.
Document 13: Atiak: Atiak is a town in the Northern Region of Uganda on the Gulu-Nimule Road, the primary trade route between Uganda and South Sudan.
Document 14: Minakulu: Minakulu is one of the sub-counties forming Oyam District in Northern Uganda. It is located west of Oyam town and south of Gulu town, about 20 kilometres from Oyam district headquarters and 32 kilometres from Gulu district headquarters.
Document 15: 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.
ground_truth: Winnie Kiiza
sub_queries: Ombaci >> country Answer: Uganda
who is the current leader of opposition in Uganda Answer: Winnie Kiiza