Input: Bird migration
For some species of waders, migration success depends on the availability of certain key food resources at stopover points along the migration route. This gives the migrants an opportunity to refuel for the next leg of the voyage. Some examples of important stopover locations are the Bay of Fundy and Delaware Bay.

What is another stopover location?
Output: Delaware Bay

Input: Melbourne
The main passenger airport serving the metropolis and the state is Melbourne Airport (also called Tullamarine Airport), which is the second busiest in Australia, and the Port of Melbourne is Australia's busiest seaport for containerised and general cargo. Melbourne has an extensive transport network. The main metropolitan train terminus is Flinders Street Station, and the main regional train and coach terminus is Southern Cross Station. Melbourne is also home to Australia's most extensive freeway network and has the world's largest urban tram network.

What passenger airport serves Melbourne?
Output: Melbourne Airport (also called Tullamarine Airport)

Input: American Idol
Finalist Phillip Phillips suffered from kidney pain and was taken to the hospital before the Top 13 results show, and later received medical procedure to alleviate a blockage caused by kidney stones. He was reported to have eight surgeries during his Idol run, and had considered quitting the show due to the pain. He underwent surgery to remove the stones and reconstruct his kidney soon after the season had finished.

Which contestant thought about leaving the contest because of pain in his kidney?
Output: Phillip Phillips

Input: Ottoman Empire
The economic structure of the Empire was defined by its geopolitical structure. The Ottoman Empire stood between the West and the East, thus blocking the land route eastward and forcing Spanish and Portuguese navigators to set sail in search of a new route to the Orient. The Empire controlled the spice route that Marco Polo once used. When Vasco da Gama bypassed Ottoman controlled routes and established direct trade links with India in 1498, and Christopher Columbus first journeyed to the Bahamas in 1492, the Ottoman Empire was at its zenith.

What serviced as the foundation for the structure of the economy of the Ottoman empire?
Output:
its geopolitical structure