Input: Read this: In September 2010, Beyonce made her runway modelling debut at Tom Ford's Spring/Summer 2011 fashion show. She was named "World's Most Beautiful Woman" by People and the "Hottest Female Singer of All Time" by Complex in 2012. In January 2013, GQ placed her on its cover, featuring her atop its "100 Sexiest Women of the 21st Century" list. VH1 listed her at number 1 on its 100 Sexiest Artists list. Several wax figures of Beyonce are found at Madame Tussauds Wax Museums in major cities around the world, including New York, Washington, D.C., Amsterdam, Bangkok, Hollywood and Sydney.
Question: What title did Complex award Beyonce?

Output: Hottest Female Singer of All Time

Input: Read this: The majority of the world's airports are non-towered, with no air traffic control presence. Busy airports have air traffic control (ATC) system. All airports use a traffic pattern to assure smooth traffic flow between departing and arriving aircraft. There are a number of aids available to pilots, though not all airports are equipped with them. Many airports have lighting that help guide planes using the runways and taxiways at night or in rain, snow, or fog. In the U.S. and Canada, the vast majority of airports, large and small, will either have some form of automated airport weather station, a human observer or a combination of the two. Air safety is an important concern in the operation of an airport, and airports often have their own safety services.
Question: What is an important concern for pilots?

Output: unanswerable

Input: Read this: Hydrogen gas (dihydrogen or molecular hydrogen) is highly flammable and will burn in air at a very wide range of concentrations between 4% and 75% by volume. The enthalpy of combustion for hydrogen is 286 kJ/mol:
Question: What are two forms of hydrogen gas?

Output: dihydrogen or molecular hydrogen

Input: Read this: Hunting also has a significant financial impact in the United States, with many companies specialising in hunting equipment or speciality tourism. Many different technologies have been created to assist hunters, even including iPhone applications. Today's hunters come from a broad range of economic, social, and cultural backgrounds. In 2001, over thirteen million hunters averaged eighteen days hunting, and spent over $20.5 billion on their sport.[citation needed] In the US, proceeds from hunting licenses contribute to state game management programs, including preservation of wildlife habitat.
Question: What is one cause that was most supported by IPhone users in 2001?

Output:
unanswerable