Input: Hellenistic period
The Odrysian Kingdom was a union of Thracian tribes under the kings of the powerful Odrysian tribe centered around the region of Thrace. Various parts of Thrace were under Macedonian rule under Philip II of Macedon, Alexander the Great, Lysimachus, Ptolemy II, and Philip V but were also often ruled by their own kings. The Thracians and Agrianes were widely used by Alexander as peltasts and light cavalry, forming about one fifth of his army. The Diadochi also used Thracian mercenaries in their armies and they were also used as colonists. The Odrysians used Greek as the language of administration and of the nobility. The nobility also adopted Greek fashions in dress, ornament and military equipment, spreading it to the other tribes. Thracian kings were among the first to be Hellenized.

What language was spoken by the Odrysians?
Output: Greek

Input: Database
For instance, a common use of a database system is to track information about users, their name, login information, various addresses and phone numbers. In the navigational approach all of this data would be placed in a single record, and unused items would simply not be placed in the database. In the relational approach, the data would be normalized into a user table, an address table and a phone number table (for instance). Records would be created in these optional tables only if the address or phone numbers were actually provided.

What happens to blank data fields in a navigational system?
Output: not be placed in the database

Input: 2008 Summer Olympics torch relay
The United Nations Organization and its children's agency UNICEF withdrew their staff, saying that it wasn't sure the event would help its mission of raising awareness of conditions for children and amid concerns that the relay would be used as a propaganda stunt. "It was unconscionable," said a UN official who was briefed on the arguments. North Korea is frequently listed among the world's worst offenders against human rights.

What is the children's agency of the United Nations Organization?
Output: UNICEF

Input: Estonia
The Oeselians or Osilians (Estonian saarlased; singular: saarlane) were a historical subdivision of Estonians inhabiting Saaremaa (Danish: sel; German: Osel; Swedish: Osel), an Estonian island in the Baltic Sea. They were first mentioned as early as the second century BC in Ptolemy's Geography III. The Oeselians were known in the Old Norse Icelandic Sagas and in Heimskringla as Vikingr fra Esthland (Estonian Vikings). Their sailing vessels were called pirate ships by Henry of Latvia in his Latin chronicles written at the beginning of the 13th century.

Where was the initial mention of the Oeselians?
Output:
Ptolemy's Geography III