Context: A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as stream, creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague., The Indus River, also called Darya-e-Sindh or Sindh River or Absn, is a major south-flowing river in South Asia. The total length of the river is which makes it one of the longest rivers in Asia. Originating in the western part of Tibet in the vicinity of Mount Kailash and Lake Manasarovar, the river runs a course through Ladakh, Gilgit-Baltistan, and Khyber Pakhtunkhwa, and then flows along the entire length of Punjab to merge into the Arabian Sea near the city of Thatta in Sindh. It is the longest river of Pakistan., Kabul (Pashto/) is the capital of Afghanistan as well as its largest city, located in the eastern section of the country. According to a 2015 estimate, the population of the city was around 3,678,033 which includes all the major ethnic groups. Rapid urbanization had made Kabul the world's 64th largest city and the fifth fastest-growing city in the world., Shahidan /  ( also Shaidan , Dari / Hazaragi language :  ) is located in Bamiyan. , about 260 km ( 160 mi ) northwest of Kabul and west of Bamiyan city , the provincial capital of Bamiyan Province . A large place between two famous mountain ranges Koh - i - Baba and Hindu Kush . Shahidan had a population of 25,500 . Also a large part of Shahidan people are as refugees outside the country , especially in Iran and Pakistan ., The Baba Mountain range ("Bâbâ ar"; "Koh-e Bâbâ") is the western extension of the Hindu Kush, and the origin of Afghanistan's Kabul, Helmand, Arghandab and the Hari River. The mountain range is crowned by Foladi peak ("Shah Fuladi") rising 4951 m; 16,244 ft. above sea level, and is located south of Bamyan, Afghanistan., Afghan (Pashto also Persian: ; see "etymology") refers to someone or something from Afghanistan, in particular a citizen of that country. Prior to the rise of the nation as Afghanistan, it was used by Persian speakers and those influenced by the Persian language to denote the Pashtun people. In modern times, "Afghan" is rarely used as an ethnic term for the Pashtuns, but is rather used as the national demonym for all citizens of Afghanistan  Pashtuns, Tajiks, and also a large number of Hazaras, Uzbeks, Aimaqs, Turkmens, Balochs, Nuristanis, Pashayis, Pamiris, Arabs, and others.
According to the "Encyclopædia Iranica", the word Afghan (afn) in current political usage means any citizen of Afghanistan, regardless of their tribal or religious affiliation. According to the 1964 Constitution of Afghanistan, all Afghans are equal in rights and obligations before the law. The fourth article of the current Constitution of Afghanistan states that citizens of Afghanistan consist of Pashtuns, Tajiks, Hazara, Uzbek, Turkmen, Aymaq, Arab, Baluch, Pashayi, Nuristani, Qezelbash, Gujjars, Brahui, and members of other tribes., Pakistan (or ), officially the Islamic Republic of Pakistan, is a federal parliamentary republic in South Asia on crossroads of Central Asia and Western Asia. It is the sixth-most populous country with a population exceeding 200 million people. It is the 36th largest country in the world in terms of area with an area covering . Pakistan has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by India to the east, Afghanistan to the west, Iran to the southwest and China in the far northeast respectively. It is separated from Tajikistan by Afghanistan's narrow Wakhan Corridor in the north, and also shares a maritime border with Oman., Urbanization refers to the population shift from rural to urban areas, "the gradual increase in the proportion of people living in urban areas", and the ways in which each society adapts to the change. It is predominantly the process by which towns and cities are formed and become larger as more people begin living and working in central areas. The United Nations projected that half of the world's population would live in urban areas at the end of 2008. It is predicted that by 2050 about 64% of the developing world and 86% of the developed world will be urbanized. That is equivalent to approximately 3 billion urbanites by 2050, much of which will occur in Africa and Asia. Notably, the United Nations has also recently projected that nearly all global population growth from 2016 to 2030 will be absorbed by cities, about 1.1 billion new urbanites over the next 14 years., Afghanistan (Pashto/Dari: , "Afnistn"), officially the Islamic Republic of Afghanistan, is a landlocked country located within South Asia and Central Asia. It has a population of approximately 32 million, making it the 42nd most populous country in the world. It is bordered by Pakistan in the south and east; Iran in the west; Turkmenistan, Uzbekistan, and Tajikistan in the north; and China in the far northeast. Its territory covers , making it the 41st largest country in the world., Pashto (; "Paxt" ), also known in older literature as Afghn or Pahn, is the South-Central Asian language of the Pashtuns. Its speakers are called Pashtuns or Pukhtuns and sometimes Afghans or Pathans. It is an Eastern Iranian language, belonging to the Indo-European family. Pashto is one of the two official languages of Afghanistan, and it is the second-largest regional language of Pakistan, mainly spoken in the west and northwest of the country. Pakistan's Federally Administered Tribal Areas (FATA) are almost 100% Pashto-speaking, while it is the majority language of the province of Khyber Pakhtunkhwa and the northern districts of Balochistan. Pashto is the main language among the Pashtun diaspora around the world. The total number of Pashto-speakers is estimated to be 4560 million people worldwide., The Amu Darya ('; /; //;  '), also called the Amu River and historically known by its Latin name, , is a major river in Central Asia. It is formed by the junction of the Vakhsh and Panj rivers, at Qal`eh-ye Panjeh in Afghanistan, and flows from there north-westwards into the southern remnants of the Aral Sea. In ancient times, the river was regarded as the boundary between Greater Iran and Turan., The Hindu Kush (Pashto, Persian and ), also known in Ancient Greek as the Caucasus Indicus or Paropamisadae, is an mountain range that stretches near the Afghan-Pakistan border, from central Afghanistan to northern Pakistan. It forms the western section of the "Hindu Kush Himalayan Region" ("HKH"). It divides the valley of the Amu Darya (the ancient "Oxus") to the north from the Indus River valley to the south., The Paropamisadae, also known by other names, were a people who lived in the area of Afghanistan and northern Pakistan during classical antiquity. The name was also used to refer to the lands these people inhabited, properly known as .
Name.
"Paropamisadae" is the latinized form of the Greek name "Paropamisádai", used to refer to the inhabitants of the land of "Paropamisus" ("Paropamisós") in the Hindu Kush. The name derived from the Old Persian "Para-upari-sena" ( "Beyond the Raised Land"), which properly referred to the Peshawar Valley on the other side of the mountains from Persia, with its major settlements at Peshawar and Charsadda in what is now Pakistan's Gandhara district., Subject: shahidan, Relation: country, Options: (A) afghanistan (B) india (C) iran (D) ladakh (E) pakistan (F) scotland (G) tajikistan (H) tibet (I) united states (J) world (K) worldwide
Output: afghanistan