Answer the following question: Information: - A Muslim is someone who follows or practises Islam, a monotheistic Abrahamic religion. Muslims consider the Quran (Koran), their holy book, to be the verbatim word of God as revealed to the Islamic prophet and messenger Muhammad. They also follow the teachings and practices of Muhammad ("sunnah ") as recorded in traditional accounts ("hadith"). "Muslim" is an Arabic word meaning "one who submits (to God)". - Ramzi bin al-Shibh (; also transliterated as bin al-Shaibah) (born May 1, 1972) is a Yemeni citizen being held by the United States as an enemy combatant detainee at Guantanamo Bay in Cuba. He is accused of being a "key facilitator for the September 11 attacks" in 2001 in the United States. - Frankfurt am Main is a metropolis and the largest city in the German state of Hesse and the fifth-largest city in Germany, with a 2015 population of 731,095 within its administrative boundaries, and 2.3million in its urban area. The city is at the centre of the larger Frankfurt Rhine-Main Metropolitan Region, which has a population of 5.8million and is Germany's second-largest metropolitan region after Rhine-Ruhr. Since the enlargement of the European Union in 2013, the geographic centre of the EU is about to the east of Frankfurt's CBD, the Bankenviertel. Frankfurt is culturally and ethnically diverse, with around half of the population, and a majority of young people, having a migration background. A quarter of the population are foreign nationals, including many expatriates. - The Boeing Company is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, and satellites worldwide. The company also provides leasing and product support services. Boeing is among the largest global aircraft manufacturers; it is the second-largest defense contractor in the world based on 2015 revenue, and is the largest exporter in the United States by dollar value. Boeing stock is a component of the Dow Jones Industrial Average. - San Francisco International Airport is an international airport south of downtown San Francisco, California, United States, near Millbrae and San Bruno in unincorporated San Mateo County. It has flights to points throughout North America and is a major gateway to Europe and Asia. - Ziad Samir Jarrah (""; May 11, 1975September 11, 2001) was an al-Qaeda member and one of the perpetrators of the September 11 attacks; serving as the hijacker-pilot of United Airlines Flight 93, crashing the plane into a field in a rural area near Shanksville, Pennsylvaniaafter a passenger uprisingas part of the coordinated attacks. - Stonycreek Township is a township in Somerset County, Pennsylvania, United States. The township takes its name from the Stony creek which for a part of its course flows through it and then becomes its western boundary. As a stream it takes its name from the rocky bed over which It flows in a great part of its course. Its Indian name was Sinne- Hanne or Achsin-Hanne. Hanne, meaning a stream and especially a swift mountain stream." The population was 2,221 at the 2000 census. It is part of the Johnstown, Pennsylvania, Metropolitan Statistical Area. - Pennsylvania (Pennsylvania German: "Pennsylvaani"), officially the Commonwealth of Pennsylvania, is a state located in the northeastern and Mid-Atlantic regions of the United States. The Appalachian Mountains run through its middle. The commonwealth borders Delaware to the southeast, Maryland to the south, West Virginia to the southwest, Ohio to the west, Lake Erie and the Canadian province of Ontario to the northwest, New York to the north, and New Jersey to the east. - United Continental Holdings, Inc., commonly referred to as United, is a major American airline headquartered in Chicago, Illinois. It is the world's second-largest airline when measured by number of destinations served, operates a comprehensive domestic and international route network, and has significant presence in the Asia-Pacific region. In the late 1920s, just prior to the use of the United Airlines name, The Boeing Company, currently one of the world's largest aircraft manufacturers, operated a predecessor airline. United was previously known as United Air Lines (UAL). - Mohamed Mohamed el-Amir Awad el-Sayed Atta ("" ; September 1, 1968 September 11, 2001) was an Egyptian hijacker and one of the ringleaders in the September 11 attacks who served as the hijacker-pilot of American Airlines Flight 11, crashing the plane into the North Tower of the World Trade Center as part of the coordinated attacks. At 33 years of age, he was the oldest hijacker to participate in the attacks. - Morocco (', lit. "The West"; '), officially known as the Kingdom of Morocco (', lit. "The Western Kingdom"; '), is a sovereign country located in the Maghreb region of North Africa. Geographically, Morocco is characterized by a rugged mountainous interior, large tracts of desert, and a lengthy coastline along the Atlantic Ocean and Mediterranean Sea. - Low German or Low Saxon ( or in the wider sense) is a West Germanic language spoken mainly in northern Germany and the eastern part of the Netherlands. It is descended from Old Saxon in its earliest form. - The City of New York, often called New York City or simply New York, is the most populous city in the United States. With an estimated 2015 population of 8,550,405 distributed over a land area of just , New York City is also the most densely populated major city in the United States. Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area, one of the most populous urban agglomerations in the world. A global power city, New York City exerts a significant impact upon commerce, finance, media, art, fashion, research, technology, education, and entertainment, its fast pace defining the term "New York minute". Home to the headquarters of the United Nations, New York is an important center for international diplomacy and has been described as the cultural and financial capital of the world. - The September 11 attacks (also referred to as 9/11) were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda on the United States on the morning of Tuesday, September 11, 2001. The attacks killed 2,996 people, injured over 6,000 others, and caused at least $10 billion in property and infrastructure damage<ref name="PEARL9/11"></ref> and $3 trillion in total costs. - The Hamburg cell ( German : Hamburger Zelle ) or Hamburg terror cell ( German : Hamburger Terrorzelle ) was , according to U.S. and German intelligence agencies , a group of radical Islamists based in Hamburg , Germany that included students who eventually came to be key operatives in the 9/11 attacks . Important members included Mohamed Atta , who led the four hijacking teams in 2001 and piloted American Airlines Flight 11 ; Ramzi bin al - Shibh , who conspired with the other three members but was unable to enter the United States ; and Marwan al - Shehhi , who piloted United Airlines Flight 175 , Ziad Jarrah , who piloted United Airlines Flight 93 and failed to hit a target in Washington D.C. , claimed by Khalid Sheikh Mohammed to have been the Capitol . Less important members included Said Bahaji , Zakariya Essabar , Mounir el - Motassadeq , and Abdelghani Mzoudi . - Khalid Sheikh (Shaikh) Mohammed (born March 1, 1964) is a militant held by the United States at the Guantanamo Bay detention camp under terrorism-related charges. He was named as "the principal architect of the 9/11 attacks" in the "9/11 Commission Report". - Massachusetts ; officially the Commonwealth of Massachusetts, is the most populous state in the New England region of the northeastern United States. It is bordered by the Atlantic Ocean to the east, the states of Connecticut and Rhode Island to the south, New Hampshire and Vermont to the north, and New York to the west. The state is named for the Massachusett tribe, which once inhabited the area. The capital of Massachusetts and the most populous city in New England is Boston. Over 80% of Massachusetts' population lives in the Greater Boston metropolitan area, a region influential upon American history, academia, and industry. Originally dependent on agriculture, fishing and trade, Massachusetts was transformed into a manufacturing center during the Industrial Revolution. During the 20th century, Massachusetts' economy shifted from manufacturing to services. Modern Massachusetts is a global leader in biotechnology, engineering, higher education, finance, and maritime trade. - Said Bahaji (also transliterated as Saeed Bahaji, born 15 July 1975 in Haselunne, Lower Saxony), is a citizen of Germany, electrical engineer, and an alleged member of the Hamburg cell that provided money and material support to the perpetrators of the September 11 attacks. - The Metropolregion Hamburg (German for Hamburg Metropolitan Region) is the compilation of eight districts in the German federal state of Lower Saxony, six districts in Schleswig-Holstein, two districts in Mecklenburg-Vorpommern and the city-state of Hamburg in northern Germany. It covers an area of ca , and is home to more than 5.1 million inhabitants. - Munich (also in British English ) is the capital and largest city of the German state of Bavaria, on the banks of River Isar north of the Bavarian Alps. Munich is the third largest city in Germany, after Berlin and Hamburg, and the 12th biggest city of the European Union, with a population of above 1.5million. The Munich Metropolitan Region is home to 5.8million people. - United Airlines Flight 93 was a domestic scheduled passenger flight that was hijacked by four Al-Qaeda terrorists on board, as part of the September 11 attacks. It crashed into a field near the Diamond T. Mine in Stonycreek Township, Somerset County, Pennsylvania, near Indian Lake and Shanksville, during an attempt by the passengers and crew to regain control, killing all 44 people aboard including the four hijackers. No one on the ground was injured. The aircraft involved, a Boeing 757222, was flying United Airlines' daily scheduled morning domestic flight from Newark International Airport in New Jersey to San Francisco International Airport in California. - Abdelghani Mzoudi (, also transliterated as Abdul Ghani Mzoudi) (born December 6, 1972 in Marrakech, Morocco) was an alleged member of al-Qaeda and an associate of Mohamed Atta, the ringleader of the September 11 attacks who also served as the hijacker-pilot of American Airlines Flight 11. Life. In 1999, Mzoudi lived in the Hamburg cell, an apartment owned by Atta, where many of the organizers of the September 11 attacks met and planned their future. His specific role in the attacks has not been determined, but he does not seem to have attempted to enter the United States at any time. - A republic (from ) is a sovereign state, country, or government which is organized with a form of government in which power resides in elected individuals representing the citizen body and government leaders exercise power according to the rule of law. In modern times, the definition of a republic commonly refers to a government which excludes a monarch. Currently, 147 of the world's 206 sovereign states use the word "republic" as part of their official names; not all of these are republics in the sense of having elected governments, nor do all nations with elected governments use the word "republic" in their names. - American Airlines Flight 11 was a domestic passenger flight that was hijacked by five al-Qaeda members on September 11, 2001, as part of the September 11 attacks. Mohamed Atta deliberately crashed the plane into the North Tower of the World Trade Center in New York City, killing all 92 people aboard and an unknown number in the building's impact zone. The aircraft involved, a Boeing 767-223ER, registration was flying American Airlines' daily scheduled morning transcontinental service from Logan International Airport, in Boston, Massachusetts, to Los Angeles International Airport, in Los Angeles, California. - The Guantanamo Bay detention camp is a United States military prison located within Guantanamo Bay Naval Base, also referred to as Guantanamo or GTMO (pronounced 'gitmo'), which fronts on Guantanamo Bay in Cuba. Since the inmates have been detained indefinitely without trial and several inmates were severely tortured, this camp is considered as a major breach of human rights by great parts of the world. - Los Angeles (Spanish for "The Angels"), officially the City of Los Angeles and often known by its initials L.A., is the second-most populous city in the United States (after New York City), the most populous city in California and the county seat of Los Angeles County. Situated in Southern California, Los Angeles is known for its mediterranean climate, ethnic diversity, sprawling metropolis, and as a major center of the American entertainment industry. Los Angeles lies in a large coastal basin surrounded on three sides by mountains reaching up to and over . - Cologne is the largest city in the German federal State of North Rhine-Westphalia and the fourth-largest city in Germany (after Berlin, Hamburg, and Munich). It is located within the Rhine-Ruhr metropolitan region, one of the major European metropolitan regions and the largest in Germany, with more than ten million inhabitants. - Enemy combatant is a term referring to a person who, either lawfully or unlawfully, directly engages in hostilities for an enemy state or non-state actor in an armed conflict. Prior to 2008, the definition was: "Any person in an armed conflict who could be properly detained under the laws and customs of war." In the case of a civil war or an insurrection the term "enemy state" may be replaced by the more general term "Party to the conflict" (as described in the 1949 Geneva Conventions ). - United Airlines Flight 175 was a scheduled domestic passenger flight from Logan International Airport, in Boston, Massachusetts, to Los Angeles International Airport, in Los Angeles, California. On September 11, 2001, the Boeing 767-200 operating the route was hijacked by five al-Qaeda terrorists and flown into the South Tower of the World Trade Center in New York City, killing all 65 people aboard and an unconfirmed number in the building's impact zone. - Yemen ('), officially known as the Republic of Yemen ('), is an Arab country in Western Asia, occupying South Arabia, the southern end of the Arabian Peninsula. Yemen is the second-largest country in the peninsula, occupying 527,970km (203,850sqmi). The coastline stretches for about 2,000km (1,200mi). It is bordered by Saudi Arabia to the north, the Red Sea to the west, the Gulf of Aden and Arabian Sea to the south, and Oman to the east-northeast. Although Yemen's constitutionally stated capital is the city of Sana'a, the city has been under rebel control since February 2015. Because of this, Yemen's capital has been temporarily relocated to the port city of Aden, on the southern coast. Yemen's territory includes more than 200 islands; the largest of these is Socotra. - Terrorism is, in its broadest sense, the use of intentionally indiscriminate violence as a means to create terror or fear, in order to achieve a political, religious, or ideological aim. It is classified as fourth-generation warfare and as a violent crime. In modern times, terrorism is considered a major threat to society and therefore illegal under anti-terrorism laws in most jurisdictions. It is also considered a war crime under the laws of war when used to target non-combatants, such as civilians, neutral military personnel, or enemy prisoners of war. - The Elbe (; Low German: "Elv") is one of the major rivers of Central Europe. It rises in the Krkonose Mountains of the northern Czech Republic before traversing much of Bohemia (Czech Republic), then Germany and flowing into the North Sea at Cuxhaven, northwest of Hamburg. Its total length is . - Marwan Yousef Mohamed Rashid Lekrab al-Shehhi (, also transliterated as Alshehhi; 9 May 1978 11 September 2001) was the hijacker-pilot of United Airlines Flight 175, crashing the plane into the South Tower of the World Trade Center as part of the September 11 attacks. - Hamburg (local pronunciation ; Low German/Low Saxon: "Hamborg" ), officially "Freie und Hansestadt Hamburg" (Free and Hanseatic City of Hamburg), is the second largest city in Germany and the eighth largest city in the European Union. It is the second smallest German state by area. Its population is over 1.7 million people, and the wider Hamburg Metropolitan Region covers more than 5.1 million inhabitants. The city is situated on the river Elbe. - The Boeing 757 is a mid-size, narrow-body twin-engine jet airliner that was designed and built by Boeing Commercial Airplanes. It is the manufacturer's largest single-aisle passenger aircraft and was produced from 1981 to 2004. The twinjet has a two-crew member glass cockpit, turbofan engines of sufficient power to allow takeoffs from relatively short runways and higher altitudes, a conventional tail and, for reduced aerodynamic drag, a supercritical wing design. Intended to replace the smaller three-engine 727 on short and medium routes, the 757 can carry 200 to 295 passengers for a maximum of , depending on variant. The 757 was designed concurrently with a wide-body twinjet, the 767, and owing to shared features pilots can obtain a common type rating that allows them to operate both aircraft. - Stuttgart ( Swabian: "Schduagert"), often nicknamed the ""Schwabenmetropole"" in reference to its location in the center of Swabia and the local dialect spoken by some natives, is the capital and largest city of the German state of Baden-Wurttemberg. It is located on the Neckar river in a fertile valley locally known as the "Stuttgarter Kessel" an hour from the Swabian Jura and the Black Forest. Stuttgart's name comes from the Old High German word ""Stuogarten"," or "stud farm" a reference to the city's founding in 950 AD as a stud farm. Stuttgarts urban area has a population of 623,738, and a further making it the sixth largest city in Germany, 2.7million people live in the citys administrative region, and another 5.3million people in its metropolitan area, making it the fourth largest metropolitan area in Germany. - Somerset County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 77,742. Its county seat is Somerset. The county was created on April 17, 1795, from part of Bedford County and named after Somerset, United Kingdom. - California is the most populous state in the United States and the third most extensive by area. Located on the western (Pacific Ocean) coast of the U.S., California is bordered by the other U.S. states of Oregon, Nevada, and Arizona and shares an international border with the Mexican state of Baja California. The state capital is Sacramento. Los Angeles is California's most populous city, and the country's second largest after New York City. The state also has the nation's most populous county, Los Angeles County, and its largest county by area, San Bernardino County. - Europe is a continent that comprises the westernmost part of Eurasia. Europe is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, and the Mediterranean Sea to the south. To the east and southeast, Europe is generally considered as separated from Asia by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways of the Turkish Straits. Yet the non-oceanic borders of Europea concept dating back to classical antiquityare arbitrary. The primarily physiographic term "continent" as applied to Europe also incorporates cultural and political elements whose discontinuities are not always reflected by the continent's current overland boundaries. - Boston (pronounced ) is the capital and most populous city of the Commonwealth of Massachusetts in the United States. Boston is also the seat of Suffolk County, although the county government was disbanded on July 1, 1999. The city proper covers with an estimated population of 667,137 in 2015, making it the largest city in New England and the 23rd most populous city in the United States. The city is the economic and cultural anchor of a substantially larger metropolitan area known as Greater Boston, a Metropolitan Statistical Area (MSA) home to a census-estimated 4.7million people in 2014 and ranking as the tenth-largest such area in the country. Alternately, as a Combined Statistical Area (CSA), this wider commuting region is home to some 8.1million people, making it the sixth-largest as such in the United States. - Berlin is the capital and the largest city of Germany as well as one of its constituent 16 states. With a population of approximately 3.5 million people, Berlin is the second most populous city proper and the seventh most populous urban area in the European Union. Located in northeastern Germany on the banks of rivers Spree and Havel, it is the centre of the Berlin-Brandenburg Metropolitan Region, which has about 6 million residents from more than 180 nations. Due to its location in the European Plain, Berlin is influenced by a temperate seasonal climate. Around one-third of the city's area is composed of forests, parks, gardens, rivers and lakes. - The Boeing 767 is a mid- to large-size, long-range, wide-body twin-engine jet airliner built by Boeing Commercial Airplanes. It was Boeing's first wide-body twinjet and its first airliner with a two-crew glass cockpit. The aircraft has two turbofan engines, a conventional tail, and, for reduced aerodynamic drag, a supercritical wing design. Designed as a smaller wide-body airliner than earlier aircraft such as the 747, the 767 has seating capacity for 181 to 375 people, and a design range of , depending on variant. Development of the 767 occurred in tandem with a narrow-body twinjet, the 757, resulting in shared design features which allow pilots to obtain a common type rating to operate both aircraft. - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency. - The euro (sign: ; code: EUR) is the official currency of the eurozone, which consists of 19 of the member states of the European Union: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain. The currency is also officially used by the institutions of the European Union and four other European countries, as well as unilaterally by two others, and is consequently used daily by some 337million Europeans . Outside of Europe, a number of overseas territories of EU members also use the euro as their currency. - Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Dusseldorf. - New Jersey is a state in the Northeastern United States and mid-Atlantic regions of the United States. It is bordered on the north and east by New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania, and on the southwest by Delaware. New Jersey is the fourth-smallest state but the 11th-most populous and the most densely populated of the 50 United States. New Jersey lies entirely within the combined statistical areas of New York City and Philadelphia and is the third-wealthiest U.S. state by per capita income as of 2014. - Egypt (; ', , "Kimi"), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia by a land bridge formed by the Sinai Peninsula. Egypt is a Mediterranean country bordered by the Gaza Strip and Israel to the northeast, the Gulf of Aqaba to the east, the Red Sea to the east and south, Sudan to the south, and Libya to the west. Across the Gulf of Aqaba lies Jordan, and across from the Sinai Peninsula lies Saudi Arabia, although Jordan and Saudi Arabia do not share a land border with Egypt. It is the world's only contiguous Afrasian nation. - Dusseldorf (Low Franconian, Ripuarian: "Dusseldorp" ) is the capital city of the German state of North Rhine-Westphalia and the seventh most populous city in Germany. Dusseldorf is an international business and financial centre, renowned for its fashion and trade fairs. The city is headquarters to one Fortune Global 500 and two DAX companies. Messe Dusseldorf organises nearly one fifth of premier trade shows. - Shanksville is a borough in Somerset County, Pennsylvania, United States, with a population of 237, as of the 2010 census. It is part of the Somerset, Pennsylvania Metropolitan Statistical Area and is approximately 60 miles southeast from Pittsburgh, Pennsylvania. Shanksville came to international attention during the September 11 attacks when United Airlines Flight 93 bound for San Francisco crashed in adjacent Stonycreek Township. - Los Angeles International Airport is the largest and busiest airport in the Greater Los Angeles Area and the state of California, as well as one of the largest international airports in the United States. It is most often referred to by its IATA airport code LAX, with the letters pronounced individually. LAX is in the southwestern Los Angeles area along the Pacific Ocean between the neighborhood of Westchester to its immediate north and the city of El Segundo to its immediate south. It is owned and operated by Los Angeles World Airports, an agency of the government of Los Angeles, formerly known as the Department of Airports. - San Francisco (SF) (Spanish for Saint Francis) officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California. It is the birthplace of the United Nations. Located at the north end of the San Francisco Peninsula, San Francisco is about in area, making it the smallest countyand the only consolidated city-countywithin the state of California. With a density of about 18,451 people per square mile (7,124 people per km), San Francisco is the most densely settled large city (population greater than 200,000) in California and the second-most densely populated major city in the United States after New York City. San Francisco is the fourth-most populous city in California, after Los Angeles, San Diego, and San Jose, and the 13th-most populous city in the United Stateswith a census-estimated 2015 population of 864,816. The city and its surrounding areas are known as the San Francisco Bay Area, and are a part of the larger OMB-designated San Jose-San Francisco-Oakland combined statistical area, the fifth most populous in the nation with an estimated population of 8.7 million. - Zakariya Essabar (born April 13, 1977) was, according to the governments of the United States, Germany, and other countries, a member of al-Qaeda and an associate of many of the organizers of the September 11 attacks. Born on April 13, 1977 in Morocco, Essabar moved to Germany in 1997, and studied medical technology in college in Hamburg in 1998. Through the Muslim religious community there he met Ramzi bin al-Shibh and other members of the Hamburg cell. Essabar quickly became more religious while in Germany. He lived for some time at the Hamburg cell apartment. - Al-Qaeda (or ; ', , translation: "The Base", "The Foundation" or "The Fundament" and alternatively spelled al-Qaida, al-Qda and sometimes al-Qa'ida) is a militant Sunni Islamist multi-national organization founded in 1988 by Osama bin Laden, Abdullah Azzam, and several other Arab volunteers who fought against the Soviet invasion of Afghanistan in the 1980s. It operates as a network made up of Islamic extremist, Salafist jihadists. It has been designated as a terrorist group by the United Nations Security Council, the North Atlantic Treaty Organization (NATO), the European Union, the United States, Russia, India, and various other countries (see below). Given the paragraphs above, decide what entity has the relation 'main subject' with 'september 11 attacks'.
Answer:
hamburg cell