Question: Information: - Uncertainty is a situation which involves imperfect and/or unknown information. However, "uncertainty is an unintelligible expression without a straightforward description". It arises in subtly different ways in a number of fields, including insurance, philosophy, physics, statistics, economics, finance, psychology, sociology, engineering, metrology, and information science. It applies to predictions of future events, to physical measurements that are already made, or to the unknown. Uncertainty arises in partially observable and/or stochastic environments, as well as due to ignorance and/or indolence. - Risk is the potential of gaining or losing something of value. Values (such as physical health, social status, emotional well-being or financial wealth) can be gained or lost when taking risk resulting from a given action or inaction, foreseen or unforeseen. Risk can also be defined as the intentional interaction with uncertainty. Uncertainty is a potential, unpredictable, and uncontrollable outcome; risk is a consequence of action taken in spite of uncertainty. - Financial risk is an umbrella term for multiple types of risk associated with financing , including financial transactions that include company loans in risk of default . Risk is a term often used to imply downside risk , meaning the uncertainty of a return and the potential for financial loss . A science has evolved around managing market and financial risk under the general title of modern portfolio theory initiated by Dr. Harry Markowitz in 1952 with his article , '' Portfolio Selection '' . In modern portfolio theory , the variance ( or standard deviation ) of a portfolio is used as the definition of risk . What entity does 'financial risk' has the relation 'field of work' with?
Answer: economics

input: Please answer the following: Information: - Procida is one of the Flegrean Islands off the coast of Naples in southern Italy. The island is between Cape Miseno and the island of Ischia. With its tiny satellite island of Vivara, it is a "comune" of the Metropolitan City of Naples, in the region of Campania. Etymology. The island derives its name from the Latin name "Prochyta". /Prochyt means 'poured out' in Greek . According to another theory, "Prochyta" comes from the Greek verb "prokeitai", meaning 'it lies forth', because of the appearance of the island seen from the sea. - The Tyrrhenian Sea (, , , ) is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenian people, identified since the 6th century BCE with the Etruscans of Italy. - Ischia is a volcanic island in the Tyrrhenian Sea. It lies at the northern end of the Gulf of Naples, about from the city of Naples. It is the largest of the Phlegrean Islands. Roughly trapezoidal, it measures approximately east to west and north to south and has about of coastline and a surface area of . It is almost entirely mountainous; the highest peak is Mount Epomeo, at . The island is very densely populated, with 60,000 residents (more than 1300 inhabitants per square km). - TheMediterranean Sea (pronounced ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa, and on the east by the Levant. The sea is sometimes considered a part of the Atlantic Ocean, although it is usually identified as a separate body of water. - The Province of Naples (Italian: "Provincia di Napoli", Napulitano: "Pruvincia 'e Napule") was a province in the Campania region of southern Italy; since January 2015 has been replaced by the Metropolitan City of Naples. - Campania is a region in Southern Italy. The region at the end of 2014 had a population of around 5,869,000 people, making it the third-most-populous region of Italy; its total area of makes it the most densely populated region in the country. Located on the Italian Peninsula, with the Mediterranean Sea to the west, it includes the small Phlegraean Islands and Capri for administration as part of the region. - The Gulf of Naples , also called the Bay of Naples, is a roughly 15-kilometer-wide (9.3mi) gulf located along the south-western coast of Italy (province of Naples, Campania region). It opens to the west into the Mediterranean Sea. It is bordered on the north by the cities of Naples and Pozzuoli, on the east by Mount Vesuvius, and on the south by the Sorrentine Peninsula and the main town of the peninsula, Sorrento. The Peninsula separates the Gulf of Naples from the Gulf of Salerno, which includes the Amalfi coast. - Naples (Neapolitan: "Napule" or ; meaning "new city") is the capital of the Italian region Campania and the third-largest municipality in Italy, after Rome and Milan. In 2015, around 975,260 people lived within the city's administrative limits. The Metropolitan City of Naples had a population of 3,115,320. Naples is the 9th-most populous urban area in the European Union with a population of between 3 million and 3.7 million. About 4.4 million people live in the Naples metropolitan area, one of the largest metropolises on the Mediterranean Sea. - An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island in a river or a lake island may be called an eyot or ait, and a small island off the coast may be called a holm. A grouping of geographically or geologically related islands is called an archipelago, e.g. the Philippines. - The Gulf of Salerno is a gulf of the Tyrrhenian Sea in the coast of the province of Salerno in south-western Italy. The northern part of this coast is the touristy Costiera Amalfitana, including towns like Amalfi, Maiori, Positano and the city of Salerno itself. - Vivara is a satellite islet of Procida , one of the three main islands in the Gulf of Naples . ( The other two are Ischia and Capri . ) - Capri is an island located in the Tyrrhenian Sea off the Sorrentine Peninsula, on the south side of the Gulf of Naples in the Campania region of Italy. The main town Capri that is located on the island shares the name. It has been a resort since the time of the Roman Republic. - Italy, officially the Italian Republic, is a unitary parliamentary republic in Europe. Located in the heart of the Mediterranean Sea, Italy shares open land borders with France, Switzerland, Austria, Slovenia, San Marino and Vatican City. Italy covers an area of and has a largely temperate seasonal climate and Mediterranean climate; due to its shape, it is often referred to in Italy as "lo Stivale" (the Boot). With 61 million inhabitants, it is the fourth most populous EU member state. - The Amalfi Coast is a stretch of coastline on the southern coast of the Salerno Gulf in the Province of Salerno in Southern Italy. The Amalfi Coast is a popular tourist destination for the region and Italy as a whole, attracting thousands of tourists annually. In 1997, the Amalfi Coast was listed as a UNESCO World Heritage Site as a cultural landscape. - Cape Miseno (Italian: "Capo Miseno", Latin: "Misenum", Ancient Greek: "") is the headland that marks the northwestern limit of the Gulf of Naples as well as the Bay of Pozzuoli in southern Italy. The cape is directly across from the island of Procida and is named for Misenus, a character in Virgil's "Aeneid". What entity does 'vivara' has the relation 'located on terrain feature' with?
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output:
tyrrhenian sea