[Q]: Information:  - American Samoa is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of Samoa.  - The Caribbean (or ) is a region that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean) and the surrounding coasts. The region is southeast of the Gulf of Mexico and the North American mainland, east of Central America, and north of South America.  - The North American Numbering Plan (NANP) is a telephone numbering plan that encompasses 25 distinct regions in twenty countries primarily in North America, including the Caribbean and the U.S. territories. Not all North American countries participate in the NANP.  - The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south and is bounded by Asia and Australia in the west and the Americas in the east.  - A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, reachable by a system of destination code routing. Telephone numbering plans are defined in each of administrative regions of the public switched telephone network (PSTN) and they are also present in private telephone networks.  - The Independent State of Samoa, commonly known as Samoa and, until 1997, known as Western Samoa, is a unitary parliamentary democracy with eleven administrative divisions. The two main islands are Savai'i and Upolu with four smaller islands surrounding the landmasses. The capital city is Apia. The Lapita people discovered and settled the Samoan islands around 3,500 years ago. They developed a unique language and cultural identity.  - A telephone number is a sequence of digits assigned to a fixed-line telephone subscriber station connected to a telephone line or to a wireless electronic telephony device, such as a radio telephone or a mobile telephone, or to other devices for data transmission via the public switched telephone network (PSTN) or other private networks. Most telephone numbers are assigned to one telephone line or one mobile telephone, and most lines or mobiles have one number.  - A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. A telephone converts sound, typically and most efficiently the human voice, into electronic signals suitable for transmission via cables or other transmission media over long distances, and replays such signals simultaneously in audible form to its user.  - Area code 684 is the number assigned to telephones in American Samoa . The area code system is part of the North American Numbering Plan , NANP . Access to telephones in this area from telephone outside the region need to be aware of the country code , which is `` 1 '' . Business cards and letterhead may list their telephone number as +1 ( 684 ) xxx - xxxx , where x is also a number . 1 is not only the long distance access prefix within the United States but is also the country code .    Given the information, choose the subject and object entities that have the relation of 'instance of'.
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[A]: area code 684 , telephone numbering plan


[Q]: Information:  - A composer (Latin "compn"; literally "one who puts together") is a person who creates or writes music, which can be vocal music (for a singer or choir), instrumental music (e.g., for solo piano, string quartet, wind quintet or orchestra) or music which combines both instruments and voices (e.g., opera or art song, which is a singer accompanied by a pianist). The core meaning of the term refers to individuals who have contributed to the tradition of Western classical music through creation of works expressed in written musical notation (e.g., sheet music scores).  - Opera buffa (plural: "opere buffe"; Italian for "comic opera") is a genre of opera. It was first used as an informal description of Italian comic operas variously classified by their authors as "commedia in musica", "commedia per musica", "dramma bernesco", "dramma comico", "divertimento giocoso".   - Antonio Caldara (1670  28 December 1736) was an Italian Baroque composer.  - Italian opera is both the art of opera in Italy and opera in the Italian language. Opera was born in Italy around the year 1600 and Italian opera has continued to play a dominant role in the history of the form until the present day. Many famous operas in Italian were written by foreign composers, including Handel, Gluck and Mozart. Works by native Italian composers of the 19th and early 20th centuries, such as Rossini, Bellini, Donizetti, Verdi and Puccini, are amongst the most famous operas ever written and today are performed in opera houses across the world.  - Dramma per musica (Italian, literally: "drama for music", plural: "drammi per musica") is a term which was used by dramatists in Italy and elsewhere between the late-17th and mid-19th centuries. In modern times the same meaning of "drama for music" was conveyed through the Italian Greek-rooted word "melodramma" (from  = song or music +  = scenic action). "Dramma per musica" never meant "drama "through" music", let alone music drama.  - Opera seria (plural: "opere serie"; usually called "dramma per musica" or "melodramma serio") is an Italian musical term which refers to the noble and "serious" style of Italian opera that predominated in Europe from the 1710s to c. 1770. The term itself was rarely used at the time and only attained common usage once "opera seria" was becoming unfashionable and beginning to be viewed as a historical genre. The popular rival to "opera seria" was "opera buffa," the 'comic' opera that took its cue from the improvisatory commedia dell'arte.  - Demofonte ( also Demofoonte ; Il Demofoonte ; Demofoonte , ré di Tracia ( King of Thrace ) ; Démophon ; Demophontes ; or Dirce , L'usurpatore innocente ( `` Dirce , The Innocent Usurper '' ) is an opera seria libretto by Metastasio . The libretto was first set by Antonio Caldara in 1733 , but remained popular throughout the eighteenth century and was set over seventy times .  - Melodramma (plural: "melodrammi") is a 17th-century Italian term for a text to be set as an opera, or the opera itself. In the 19th-century, it was used in a much narrower sense by English writers to discuss developments in the early Italian libretto, e.g., "Rigoletto" and "Un ballo in maschera". Characteristic are the influence of French bourgeois drama, female instead of male protagonists, and the practice of opening the action with a chorus.    Given the information, choose the subject and object entities that have the relation of 'original language of work'.
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[A]:
demofonte , italian