Please answer the following question: Information:  - The Master of Business Administration (MBA or M.B.A.) is a master's degree in business administration (management). The MBA degree originated in the United States in the early 20th century when the country industrialized and companies sought scientific approaches to management. The core courses in an MBA program cover various areas of business such as accounting, finance, marketing, human resources, and operations in a manner most relevant to management analysis and strategy. Most programs also include elective courses.  - India, officially the Republic of India ("Bhrat Gaarjya"), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country (with over 1.2 billion people), and the most populous democracy in the world. It is bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast. It shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the northeast; and Myanmar (Burma) and Bangladesh to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives. India's Andaman and Nicobar Islands share a maritime border with Thailand and Indonesia. Its capital is New Delhi; other metropolises include Mumbai, Kolkata, Chennai, Bangalore, Hyderabad and Ahmedabad.  - A business school is a university-level institution that confers degrees in business administration or management. Such a school can also be known as school of management, school of business, school of business administration, or, colloquially, b-school or biz school. A business school teaches topics such as accounting, administration, strategy, economics, entrepreneurship, finance, human resource management, information systems, logistics, marketing, organizational psychology, organizational behavior, public relations, research methods and real estate among others.  - Evanston is a city in Cook County, Illinois, United States, north of downtown Chicago, bordered by Chicago to the south, Skokie to the west, and Wilmette to the north, with a population of 74,486 . It is one of the North Shore communities that adjoin Lake Michigan and is the home of Northwestern University. The boundaries of the city of Evanston are coterminous with those of the former Evanston Township, which was dissolved in 2014 by voters with its functions being absorbed by the city of Evanston.  - Head of government is a generic term used for either the highest or second highest official in the executive branch of a sovereign state, a federated state, or a self-governing colony, (commonly referred to as countries, nations or nation-states) who often presides over a cabinet, a group of ministers or secretaries who lead executive departments. The term "head of government" is often differentiated from the term "head of state", (e.g. as in article 7 of the Vienna Convention on the Law of Treaties, article 1 of the Convention on the Prevention and Punishment of Crimes against Internationally Protected Persons, including Diplomatic Agents and the United Nations protocol list), as they may be separate positions, individuals, and/or roles depending on the country.  - Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Düsseldorf.  - Wen Yunsong , also known as Winston Wen ( simplified Chinese :  ; traditional Chinese :  ; pinyin : Wn Yúnsng ) is a Chinese businessman and current CEO of Unihub Global Networks , a Chinese networking company . He is the son of former Chinese Premier Wen Jiabao and thus a princeling with opportunities for profit not available to common people . Mr. Wen was a principal of New Horizon Capital , a private equity fund . He received his MBA from the Kellogg School of Management .  - Canada (French: ) is a country in the northern half of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific and northward into the Arctic Ocean, covering , making it the world's second-largest country by total area and the fourth-largest country by land area. Canada's border with the United States is the world's longest land border. The majority of the country has a cold or severely cold winter climate, but southerly areas are warm in summer. Canada is sparsely populated, the majority of its land territory being dominated by forest and tundra and the Rocky Mountains. About four-fifths of the country's population of 36 million people is urbanized and live near the southern border. Its capital is Ottawa, its largest city is Toronto; other major urban areas include Montreal, Vancouver, Calgary, Edmonton, Quebec City, Winnipeg and Hamilton.  - Wen Jiabao (born 15 September 1942) was the sixth Premier of the State Council of the People's Republic of China, serving as China's head of government for a decade between 2003 and 2013. In his capacity as Premier, Wen was regarded as the leading figure behind Beijing's economic policy. From 2002 to 2012, he held membership in the Politburo Standing Committee of the Communist Party of China, the country's "de facto" top power organ, where he was ranked third out of nine members.   - The Kellogg School of Management (The Kellogg School or Kellogg) is the business school of Northwestern University in Evanston, Illinois, with additional campuses in downtown Chicago, Illinois and Miami, Florida. Kellogg offers full-time, part-time, and executive programs, and partners with schools in China, France/Singapore, India, Spain, Hong Kong, Israel, Germany, Canada, and Thailand. Degrees granted include the Master of Business Administration (MBA), Ph.D. programs in several fields, an MBA-JD, and MMM Program, a MBA + MDI dual degree. The MDI degree replaces the MEM degree within the MMM program.  - Northwestern University (NU) is a private research university based in Evanston, Illinois, with campuses in Chicago, Illinois; San Francisco, California; and Doha, Qatar. Composed of twelve schools and colleges, Northwestern offers 124 undergraduate degrees and 145 graduate and professional degrees.    After reading the paragraphs above, we are interested in knowing the entity with which 'wen yunsong' exhibits the relationship of 'educated at'. Find the answer from the choices below.  Choices: - berlin  - business school  - calgary  - chennai  - illinois  - india  - kellogg school of management  - law  - master  - northwestern university  - pakistan
A:
northwestern university