Input: Article: At the beginning of Greek literature stand the two monumental works of Homer: the Iliad and the Odyssey. Though dates of composition vary, these works were fixed around 800 BC or after. In the classical period many of the genres of western literature became more prominent. Lyrical poetry, odes, pastorals, elegies, epigrams; dramatic presentations of comedy and tragedy; historiography, rhetorical treatises, philosophical dialectics, and philosophical treatises all arose in this period. The two major lyrical poets were Sappho and Pindar. The Classical era also saw the dawn of drama.

Now answer this question: When did drama first begin in history?

Output: Classical era

Input: Article: In the first decades of the 19th century, Federal architecture and Greek Revival architecture were dominated by Philadelphia architects such as Benjamin Latrobe, William Strickland, John Haviland, John Notman, Thomas U. Walter, and Samuel Sloan. Frank Furness is considered Philadelphia's greatest architect of the second half of the 19th century, but his contemporaries included John McArthur, Jr., Addison Hutton, Wilson Eyre, the Wilson Brothers, and Horace Trumbauer. In 1871, construction began on the Second Empire-style Philadelphia City Hall. The Philadelphia Historical Commission was created in 1955 to preserve the cultural and architectural history of the city. The commission maintains the Philadelphia Register of Historic Places, adding historic buildings, structures, sites, objects and districts as it sees fit.

Now answer this question: Who is Philadelphia's greatest architect of the later 19th century?

Output: Frank Furness

Input: Article: The current Chief of the Defence Staff, the professional head of the British Armed Forces, is General Sir Nicholas Houghton, late Green Howards. He is supported by the Vice Chief of the Defence Staff, by the professional heads of the three services of HM Armed Forces and by the Commander of Joint Forces Command.

Now answer this question: What is the name of the person who is the current Chief of the Defence Staff?

Output:
General Sir Nicholas Houghton