Question: Office of the Chief Executive, or CEO is one of the government agencies for the Hong Kong Special Administrative Region, it consists of the immediate staff to which head and representative of the Hong Kong Special Administrative Region and head of the Government of Hong Kong?

full_context: Document 1: Official Secretary to the Governor: Official Secretary to the Governor or Official Secretary to the Governor-General is an office in the Government House in various British overseas territories and Commonwealth realms. A similar office may be retained in some of the former British territories. In some countries or territories the titles Private Secretary, Personal Secretary or simply Secretary are used instead of "Official Secretary". The Official Secretary is usually the general manager of the Government House, although he or she may have additional functions. In New Zealand and Canada, e.g., the Official Secretary is a civil service officer from the Prime Minister's Department or Office, but in Australia, the Official Secretary has become a position independent from the government.
Document 2: Hong Kong: Hong Kong, officially the Hong Kong Special Administrative Region of the People's Republic of China, is an autonomous territory south to Mainland China and east to Macao in East Asia. With around 7.2 million Hong Kongers of various nationalities in a territory of 1,104 km, Hong Kong is the world's fourth most densely populated country or territory.
Document 3: Hong Kong and Macau Affairs Office: The Hong Kong and Macau Affairs Office of the State Council is an administrative agency of the State Council of the People's Republic of China responsible for promoting cooperation and coordination of political, economic and cultural ties between Mainland China and the Chinese Special Administrative Regions of Hong Kong and Macau.
Document 4: Liaison Office (Hong Kong): The Liaison Office of the Central People's Government in the Hong Kong Special Administrative Region (; abbr. LOCPG or 中聯辦) is an organ of the Central People's Government of the People's Republic of China (PRC) in the Hong Kong Special Administrative Region (HKSAR). It replaced the New China News Agency (NCNA) as the representative of the PRC government in Hong Kong in 2000.
Document 5: Hong Kong Chief Executive election, 2012: The 2012 Hong Kong Chief Executive election was held on 25 March 2012 to select the Chief Executive of Hong Kong (CE), the highest office in the Hong Kong Special Administrative Region (HKSAR), by a 1,193-member Election Committee (EC) to replace the incumbent Chief Executive. Won by the former non-official convenor of the Executive Council of Hong Kong Leung Chun-ying, the election was the most competitive as it was the first election with more than one pro-Beijing candidate since the 1996 election.
Document 6: People's Liberation Army Hong Kong Garrison: The People's Liberation Army Hong Kong Garrison is a garrison of the Chinese People's Liberation Army (PLA), responsible for defense duties in the Hong Kong Special Administrative Region since the sovereignty of Hong Kong was transferred to the PRC in 1997. Prior to the handover, Hong Kong was under British rule, and the defense of Hong Kong was the responsibility of the British Forces Overseas Hong Kong, with auxiliary help from the Royal Hong Kong Regiment.
Document 7: Office of the Vice President of the United States: The Office of the Vice President includes personnel who directly support or advise the Vice President of the United States. The Office is headed by the Chief of Staff to the Vice President of the United States, currently Nick Ayers. The Office also provides staffing and support to the Second Lady of the United States. It is primarily housed in the Eisenhower Executive Office Building, with offices for the Vice President also in the West Wing, the U.S. Capitol and in the Vice President's official residence.
Document 8: Chief information officer: Chief information officer (CIO), chief digital information officer (CDIO) or information technology (IT) director, is a job title commonly given to the most senior executive in an enterprise responsible for the information technology and computer systems that support enterprise goals. Typically, the CIO reports directly to the chief executive officer but may also report to the chief operating officer or chief financial officer. In military organizations, they report to the commanding officer. The Chief Information Officer role was first defined in 1981 by William R. Synnott, former Senior Vice President of the Bank of Boston, and William H. Gruber, former professor at the MIT Sloan School of Management.
Document 9: Transfer of sovereignty over Hong Kong: The transfer of sovereignty over Hong Kong from the United Kingdom to China, referred to as "the Handover" internationally or "the Return" in China, took place on 1 July 1997. The landmark event marked the end of British administration in Hong Kong, and is often regarded as the watershed of the British Empire.
Document 10: Chief Executive of Hong Kong: The Chief Executive of the Hong Kong Special Administrative Region is the head and representative of the Hong Kong Special Administrative Region and head of the Government of Hong Kong. The position was created to replace the Governor of Hong Kong, the representative of the Monarch of the United Kingdom during British rule. The office, stipulated by the Hong Kong Basic Law, formally came into being on 1 July 1997 when the sovereignty of Hong Kong was transferred from the United Kingdom to the People's Republic of China.
Document 11: Executive officer: An executive officer (XO) is generally a person responsible for running an organization, although the exact nature of the role varies depending on the organization. In many militaries, an executive officer is the second-in-command, reporting to the commanding officer. The XO is typically responsible for the management of day-to-day activities, freeing the commander to concentrate on strategy and planning the unit's next move.
Document 12: Hong Kong Special Administrative Region passport: The Hong Kong Special Administrative Region Passport () is a passport issued only to the permanent residents of Hong Kong who also hold Chinese citizenship. In accordance with the Basic Law of the Hong Kong Special Administrative Region, since the transfer of sovereignty on 1 July 1997, the passport has been issued by the Immigration Department of the Government of Hong Kong under the authorisation of the Central People's Government of the People's Republic of China. As the official languages of Hong Kong are Chinese and English, the passport is printed bilingually in both Chinese (traditional characters) and English.
Document 13: Office of the Chief Executive: Office of the Chief Executive () or CEO is one of the government agencies for the Hong Kong Special Administrative Region. It consists of the immediate staff to the Chief Executive of Hong Kong and multiple levels of support staff reporting to the Chief Executive. The current director is Edward Yau.
Document 14: Chief operating officer: A Chief Operating Officer (COO), also called the chief operations officer, is a position that can be one of the highest-ranking executive positions in an organization, comprising part of the "C-Suite". The COO is responsible for the daily operation of the company, and routinely reports to the highest ranking executive, usually the chief executive officer (CEO). The COO is usually the second in command at the firm, especially if the highest ranking executive is the Chairman and CEO.
Document 15: Government of Macau: The Government of the Macau Special Administrative Region of the People's Republic of China (; Portuguese: Governo da R.A.E. de Macau; conventional short name Macau Government, 澳門政府, Governo de Macau), are headed by secretariats or commissioners and report directly to the Chief Executive of Macau. The affairs of the Government are decided by secretaries, who are appointed by the Chief Executive and endorsed by the Central People's Government (CPG) in Beijing. As a special administrative region of the PRC, Macau has a high degree of autonomy, in light of the "One Country, Two Systems" policy. The Macau Government, financially independent from the CPG, oversees the affairs of Macau.
ground_truth: Chief Executive of the Hong Kong Special Administrative Region