In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Input: Consider Input: Context: An anode is an electrode through which conventional current flows into a polarized electrical device. A common mnemonic is ACID for "anode current into device". The direction of (positive) electric current is opposite to the direction of electron flow: (negatively charged) electrons flow out the anode to the outside circuit., An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). The word was coined by William Whewell at the request of the scientist Michael Faraday from the Greek words "elektron", meaning amber (from which the word electricity is derived), and "hodos", a way., Semiconductors are crystalline or amorphous solids with distinct electrical characteristics. They are of high electrical resistance higher than typical resistance materials, but still of much lower resistance than insulators. Their resistance decreases as their temperature increases, which is behavior opposite to that of a metal. Finally, their conducting properties may be altered in useful ways by the deliberate, controlled introduction of impurities ("doping") into the crystal structure, which lowers its resistance but also permits the creation of semiconductor junctions between differently-doped regions of the extrinsic semiconductor crystal. The behavior of charge carriers which include electrons, ions and electron holes at these junctions is the basis of diodes, transistors and all modern electronics., Silicon is a chemical element with symbol Si and atomic number 14. A hard and brittle crystalline solid with a blue-gray metallic luster, it is a tetravalent metalloid. It is a member of group 14 in the periodic table, along with carbon above it and germanium, tin, lead, and flerovium below. It is rather unreactive, though less so than germanium, and has great chemical affinity for oxygen; as such, it was first prepared and characterized in pure form only in 1823 by Jons Jakob Berzelius., Electronics is the science of controlling electrical energy electrically, in which the electrons have a fundamental role. Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes, integrated circuits, associated passive electrical components, and interconnection technologies. Commonly, electronic devices contain circuitry consisting primarily or exclusively of active semiconductors supplemented with passive elements; such a circuit is described as an electronic circuit., Selenium is a chemical element with symbol Se and atomic number34. It is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium. It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust. Selenium (Greek "selene" meaning "Moon") was discovered in 1817 by Jons Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth)., An intrinsic semiconductor, also called an undoped semiconductor or i-type semiconductor, is a pure semiconductor without any significant dopant species present. The number of charge carriers is therefore determined by the properties of the material itself instead of the amount of impurities. In intrinsic semiconductors the number of excited electrons and the number of holes are equal: n=p., Germanium is a chemical element with symbolGe and atomic number32. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Unlike silicon, it is too reactive to be found naturally on Earth in the free (elemental) state., A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristic orientations. The scientific study of crystals and crystal formation is known as crystallography. The process of crystal formation via mechanisms of crystal growth is called crystallization or solidification., In electronics, a diode is a two-terminal electronic component that conducts primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance to the flow of current in one direction, and high (ideally infinite) resistance in the other. A semiconductor diode, the most common type today, is a crystalline piece of semiconductor material with a pn junction connected to two electrical terminals. A vacuum tube diode has two electrodes, a plate (anode) and a heated cathode. Semiconductor diodes were the first semiconductor electronic devices. The discovery of crystals' rectifying abilities was made by German physicist Ferdinand Braun in 1874. The first semiconductor diodes, called cat's whisker diodes, developed around 1906, were made of mineral crystals such as galena. Today, most diodes are made of silicon, but other semiconductors such as selenium or germanium are sometimes used., A pn junction is a boundary or interface between two types of semiconductor material, p-type and n-type, inside a single crystal of semiconductor. The "p" (positive) side contains an excess of holes, while the "n" (negative) side contains an excess of electrons. The p-n junction is created by doping, for example by ion implantation, diffusion of dopants, or by epitaxy (growing a layer of crystal doped with one type of dopant on top of a layer of crystal doped with another type of dopant). If two separate pieces of material were used, this would introduce a grain boundary between the semiconductors that would severely inhibit its utility by scattering the electrons and holes., Galena, also called lead glance, is the natural mineral form of lead(II) sulfide. It is the most important ore of lead and an important source of silver., Vacuum is space void of matter. The word stems from the Latin adjective "vacuus" for "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. Physicists often discuss ideal test results that would occur in a "perfect" vacuum, which they sometimes simply call "vacuum" or free space, and use the term partial vacuum to refer to an actual imperfect vacuum as one might have in a laboratory or in space. In engineering and applied physics on the other hand, vacuum refers to any space in which the pressure is lower than atmospheric pressure. The Latin term in vacuo is used to describe an object that is surrounded by a vacuum., A dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance. In the case of crystalline substances, the atoms of the dopant very commonly take the place of elements that were in the crystal lattice of the base material. The crystalline materials are frequently either crystals of a semiconductor such as silicon and germanium for use in solid-state electronics, or transparent crystals for use in the production of various laser types; however, in some cases of the latter, noncrystalline substances such as glass can also be doped with impurities., An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields. Electronic components are mostly industrial products, available in a singular form and are not to be confused with electrical elements, which are conceptual abstractions representing idealized electronic components., The electron is a subatomic particle, symbol or , with a negative elementary electric charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure. The electron has a mass that is approximately 1/1836 that of the proton. Quantum mechanical properties of the electron include an intrinsic angular momentum (spin) of a half-integer value, expressed in units of the reduced Planck constant, "". As it is a fermion, no two electrons can occupy the same quantum state, in accordance with the Pauli exclusion principle. Like all matter, electrons have properties of both particles and waves: they can collide with other particles and can be diffracted like light. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a larger De Broglie wavelength for a given energy., In physics, a charge carrier is a particle free to move, carrying an electric charge, especially the particles that carry electric charges in electrical conductors. Examples are electrons, ions and holes. In a conducting medium, an electric field can exert force on these free particles, causing a net motion of the particles through the medium; this is what constitutes an electric current. In different conducting media, different particles serve to carry charge:, In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions), is a device that controls electric current between electrodes in an evacuated container.
Vacuum tubes mostly rely on thermionic emission of electrons from a hot filament or a cathode heated by the filament. This type is called a thermionic tube or thermionic valve. A phototube, however, achieves electron emission through the photoelectric effect. Not all electronic circuit valves/electron tubes are vacuum tubes (evacuated); gas-filled tubes are similar devices containing a gas, typically at low pressure, which exploit phenomena related to electric discharge in gases, usually without a heater., A cathode is the electrode from which a conventional current leaves a polarized electrical device. (This definition can be recalled by using the mnemonic "CCD" for "cathode current departs".) A conventional current describes the direction in which positive electronic charges move. Electrons have a negative charge, so the movement of electrons is opposite to the conventional current flow. Consequently, the mnemonic "cathode current departs" also means that electrons flow into the device's cathode., A PIN diode is a diode with a wide , undoped intrinsic semiconductor region between a p - type semiconductor and an n - type semiconductor region . The p - type and n - type regions are typically heavily doped because they are used for ohmic contacts . The wide intrinsic region is in contrast to an ordinary PN diode . The wide intrinsic region makes the PIN diode an inferior rectifier ( one typical function of a diode ) , but it makes the PIN diode suitable for attenuators , fast switches , photodetectors , and high voltage power electronics applications ., Subject: pin diode, Relation: instance_of, Options: (A) approximation (B) base (C) behavior (D) case (E) charge (F) chemical (G) chemical element (H) component (I) conductor (J) constant (K) crystal (L) diode (M) direction (N) electric current (O) electrode (P) electron (Q) electronic circuit (R) electronic component (S) electronics (T) force (U) formation (V) generation (W) group (X) interface (Y) junction (Z) laboratory ([) laser (\) mass (]) material (^) member (_) metal (') mineral (a) mnemonic (b) motion (c) negative (d) ore (e) part (f) particle (g) physics (h) principle (i) process (j) role (k) semiconductor (l) semiconductor diode (m) side (n) single (o) space (p) state (q) structure (r) study (s) symbol (t) system (u) temperature (v) test (w) word

Output: semiconductor diode

Input: Consider Input: Context: The Book Club is an Australian television show that discusses books ostensibly in the style of a domestic book club . Hosted by journalist Jennifer Byrne , it uses the panel format made popular in The Glass House with two regular members -- book reviewer Jason Steger and author / blogger Marieke Hardy -- and two guest members . The show first aired on the ABC on 1 August 2006 and is scheduled as a monthly program ., A journalist is a person who collects, writes, or distributes news or other current information. A journalist's work is called journalism. A journalist can work with general issues or specialize in certain issues. However, most journalists tend to specialize, and by cooperating with other journalists, produce journals that span many topics. For example, a sports journalist covers news within the world of sports, but this journalist may be a part of a newspaper that covers many different topics., Jennifer Victoria Byrne (born 5 March 1955) is an Australian journalist, television presenter and former book publisher. She currently hosts the monthly ABC television program "First Tuesday Book Club", later renamed "The Book Club"., The Age is a daily newspaper that has been published in Melbourne, Australia, since 1854. Owned and published by Fairfax Media, "The Age" primarily serves Victoria but is also available for purchase in Tasmania, the Australian Capital Territory and border regions of South Australia and southern New South Wales. It is delivered in both hardcopy and online formats. The newspaper shares many articles with other Fairfax Media metropolitan daily newspapers, such as "The Sydney Morning Herald"., Marieke Josephine Hardy (born 26 May 1976) is an Australian writer, broadcaster, television producer and former television actress., Jason Steger (born 1956) is a British-born Australian journalist, working in both print and film media. He is currently the literary editor of the Melbourne broadsheet "The Age" and one of three regular commentators on ABC TV's "The Book Club"., Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It is the world's sixth-largest country by total area. The neighbouring countries are Papua New Guinea, Indonesia and East Timor to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east. Australia's capital is Canberra, and its largest urban area is Sydney., Melbourne is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in Australia. The name "Melbourne" refers to an urban agglomeration spanning which comprises the broader metropolitan area, as well as being the common name for its city centre. The metropolis is located on the large natural bay of Port Phillip and expands into the hinterlands towards the Dandenong and Macedon mountain ranges, Mornington Peninsula and Yarra Valley. Melbourne consists of 31 municipalities. It has a population of 4,529,500 , and its inhabitants are called Melburnians., Subject: first tuesday book club, Relation: instance_of, Options: (A) 1 (B) age (C) area (D) book (E) broadcaster (F) capital (G) city (H) club (I) continent (J) country (K) daily newspaper (L) editor (M) film (N) format (O) information (P) journalist (Q) march (R) may (S) metropolis (T) metropolitan (U) metropolitan area (V) news (W) part (X) peninsula (Y) person (Z) print ([) show (\) style (]) television (^) television program (_) television show (') three (a) two (b) urban area (c) work

Output: television program

Input: Consider Input: Context: The Patapsco Light Rail Stop is one of 33 stops on the Baltimore Light Rail . The stop is located along Patapsco Avenue from which its name is derived . The station serves as a hub for several MTA bus routes . The Patapsco stop was the final stop along the line for a period from September 1992 until April 1993 , when the line was extended to Linthicum . The station has 216 spaces for commuters , some of that allow for overnight parking . Patapasco Station was the original northern terminus of the Baltimore and Annapolis Railroad , which connected to the Curtis Bay Branch of the Baltimore and Ohio Railroad . Bus routes 14 , 17 , 51 , and 77 lay over at the Patapsco Light Rail Stop . Route 16 also passes through the station in both directions along its route ., The Baltimore & Annapolis Railroad was an American railroad of central Maryland built in the 19th century. The railroad, the second to serve Annapolis, ran between Annapolis and Clifford along the north shore of the Severn River. From Clifford, just north of the present day Patapsco Light Rail Stop, it connected with the B&O's Curtis Bay branch so that trains could travel to Baltimore. In 1921, when it was called the Annapolis and Baltimore Short Line, it was purchased by the larger Washington, Baltimore and Annapolis Electric Railway (WB&A), and then emerged from the WB&A's 1935 bankruptcy and closure as the Baltimore & Annapolis Railroad. B&A electric passenger operation between the two cities continued until 1950, at which time the rail line became solely a freight carrier, operating buses for passenger service. Freight service to Annapolis continued until June 1968 when the Severn River Trestle was declared unsafe. In the 1980s the line was completely shut down. The right-of-way now serves as part of Baltimore's light rail system and as the Baltimore & Annapolis Trail., Light rail, light rail transit (LRT) or fast tram is urban public transport using rolling stock similar to a tramway, but operating at a higher capacity, and often on an exclusive right-of-way., The Maryland Transit Administration (MTA) is a state-operated mass transit administration in Maryland, and is part of the Maryland Department of Transportation. It is better known as MTA Maryland to avoid confusion with other cities' transit agencies who share the initials MTA. The MTA operates a comprehensive transit system throughout the Baltimore-Washington Metropolitan Area. There are 80 bus lines serving Baltimore's public transportation needs, along with other services that include the Light Rail, Metro Subway, and MARC Train. With nearly half the population of Baltimore residents lacking access to a car, the MTA is an important part of the regional transit picture. The system has many connections to other transit agencies of Central Maryland, Washington, D.C., Northern Virginia, and south-central Pennsylvania (Hanover, Harrisburg, and York): WMATA, Charm City Circulator, Regional Transportation Agency of Central Maryland, Annapolis Transit, Rabbit Transit, Ride-On, and TransIT., Maryland is a state located in the Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and Washington, D.C. to its south and west; Pennsylvania to its north; and Delaware to its east. The state's largest city is Baltimore, and its capital is Annapolis. Among its occasional nicknames are "Old Line State", the "Free State", and the "Chesapeake Bay State". The state is named after Henrietta Maria of France, the wife of Charles I of England. , The Washington, Baltimore and Annapolis Electric Railway (WB&A) was an American railroad of central Maryland and Washington, D.C., built in the 19th and 20th century. The WB&A absorbed two older railroads, the Annapolis and Elk Ridge Railroad and the Baltimore & Annapolis Short Line, and added its own electric streetcar line between Baltimore and Washington. It was built by a group of Cleveland, Ohio, electric railway entrepreneurs to serve as a high-speed, showpiece line using the most advanced technology of the time. It served Washington, Baltimore, and Annapolis, Maryland, for 27 years before the Great Depression and the rise of the automobile forced an end to passenger service in 1935. Only the Baltimore & Annapolis portion continued to operate. Today, parts of the right-of-way are used for light rail, rail trails and roads., The Northern Central Railway (NCRY) was a Class I Railroad connecting Baltimore, Maryland with Sunbury, Pennsylvania, along the Susquehanna River. Completed in 1858, the line came under the control of the later Pennsylvania Railroad (PRR) in 1861, when the PRR acquired a controlling interest in the Northern Central's stock to compete with the rival Baltimore and Ohio Railroad (B&O). For eleven decades the Northern Central operated as a subsidiary of the PRR until much of its Maryland trackage was washed out by Hurricane Agnes in 1972; after which most of its operations ceased as the Penn Central declined to repair sections. It is now a fallen flag railway, having come under the control of the later Penn Central (merger of the PRR and the New York Central), Conrail, and then broken apart and disestablished. The southern part in Pennsylvania is now the York County Heritage Rail Trail which connects to a similar hike/bike trail in Northern Maryland down to Baltimore, named the Torrey C. Brown Rail Trail. Only the trackage around Baltimore remains in rail service., The Baltimore Light Rail is a light rail system serving Baltimore, Maryland, United States, as well as its surrounding suburbs. It is operated by the Maryland Transit Administration (MTA Maryland). In downtown Baltimore, it uses city streets. Outside the central portions of the city, the line is built on private rights-of-way, mostly from the defunct Northern Central Railway, Baltimore and Annapolis Railroad and Washington, Baltimore and Annapolis Electric Railway. The line is sometimes referred to the "Blue Line", or less commonly as the "Central Light Rail Line", even though the line carries three different routes on the same system: Hunt Valley-BWI (Blue), Hunt Valley-Cromwell (Yellow), and Penn Station-Camden Yards (Red). , Subject: patapsco , Relation: located_in_the_administrative_territorial_entity, Options: (A) annapolis (B) baltimore (C) camden (D) central (E) cleveland (F) curtis (G) delaware (H) east (I) free state (J) maryland (K) northern (L) of (M) pennsylvania (N) rise (O) virginia (P) washington (Q) york (R) york county
Output: maryland