Input: Article: Two airports serve Philadelphia: the Philadelphia International Airport (PHL), straddling the southern boundary of the city, and the Northeast Philadelphia Airport (PNE), a general aviation reliever airport in Northeast Philadelphia. Philadelphia International Airport provides scheduled domestic and international air service, while Northeast Philadelphia Airport serves general and corporate aviation. In 2013, Philadelphia International Airport was the 15th busiest airport in the world measured by traffic movements (i.e. takeoffs and landings). It is also the second largest hub and primary international hub for American Airlines.

Now answer this question: Where does PHL rank in the list of busiest airports?

Output: 15th

Input: Article: The Yangtze River and its tributaries flows through the mountains of western Sichuan and the Sichuan Basin; thus, the province is upstream of the great cities that stand along the Yangtze River further to the east, such as Chongqing, Wuhan, Nanjing and Shanghai. One of the major tributaries of the Yangtze within the province is the Min River of central Sichuan, which joins the Yangtze at Yibin. Sichuan's 4 main rivers, as Sichuan means literally, are Jaling Jiang, Tuo Jiang, Yalong Jiang, and Jinsha Jiang.

Now answer this question: Name some cities downstream of the Yangtze river that are to the east of Sichuan.

Output: Chongqing, Wuhan, Nanjing and Shanghai

Input: Article: Public and private schools in Hyderabad are governed by the Central Board of Secondary Education and follow a "10+2+3" plan. About two-thirds of pupils attend privately run institutions. Languages of instruction include English, Hindi, Telugu and Urdu. Depending on the institution, students are required to sit the Secondary School Certificate or the Indian Certificate of Secondary Education. After completing secondary education, students enroll in schools or junior colleges with a higher secondary facility. Admission to professional graduation colleges in Hyderabad, many of which are affiliated with either Jawaharlal Nehru Technological University Hyderabad (JNTUH) or Osmania University (OU), is through the Engineering Agricultural and Medical Common Entrance Test (EAM-CET).

Now answer this question: What percentage of students are in private schools in Hyderabad?

Output:
two-thirds