Question: Which of Hausa-Fulani's languages is the Chadic language with the largest number of speakers, Fulfulde or Hausa?

full_context: Document 1: Bade language: Bade (also spelled Bede, Bedde, or Bode) is a West Chadic language spoken by the Bade people in Yobe State and Jigawa State, Nigeria. Their traditional ruler is the Emir of Bade. Similar to many other Western African languages, Bade is a vulnerable language at great risk of extinction. With 250,000 speakers, the language and the culture of the Bade people have suffered over the last several years. As the language continues to fade, the culture and historic value associated with the language perishes as well. The local dialect is shifting from Bade to Hausa. Across West Africa, the impact on local communities through the loss of the indigenous tongues will be significant. The endangerment of the Bade language represents the worldwide language diversity that is at risk. Many African languages have only received little linguistic attention, impacting these African languages.
Document 2: Abaji: Abaji Areas Council of Abuja, Nigeria Area Council of the Federal Capital Territory Nigeria. Its headquarters are in the town of Abuja. Abaji is the land of the Egbira, Ganagana and Hausa people, the majority are Egbira and Ganagana, the first settlement in Abaji are Egbira and Tiv people before the coming of Usman Danfodio religious war to North central, Abuja South, after the kinship throne won by Egbira people that win war between them and Tiv people, they become ruling kinship and Allow the Hausa as Imam of the town the name use to be Igabaji, and is one of the area council in Abuja. The land is headed by the Ona of Abaji. The land was under the old Koton Karfe kingdom but agreed to join the federal capital territory for developmental purpose.
Document 3: Ningi, Nigeria: Ningi is a town, a local government area, and an emirate in Bauchi State, Nigeria. The Ningi emirate comprises two local government areas, Ningi and Warji, with a combined area of 5,250 km and a population of 501,912 according to the 2006 Census. The Ningi local government area covers an area of 4,625 km with a population of 387,192 at the 2006 Census. The area is inhabited mostly by Fa,awa, Warjawa, Duwa, Ningawa and Fulani people. Yunusa Mohammadu Danyaya is the current Emir of Ningi.
Document 4: Jara language: Jara, also known as Jera, is a Nigerian language reported to be spoken by 46,000 people in 2000. It is spoken in Borno and Gombe States, in the Biu, Kwaya-Kusar, Akko, and Yamaltu-Deba LGAs. It is an Afro-Asiatic language, in the Biu–Mandara branch of Chadic family. Use of Jara is declining; it is being displaced by Fulfulde and Hausa.
Document 5: Hausa language: Hausa ( ) ("Yaren Hausa" or "Harshen Hausa") is the Chadic language (a branch of the Afroasiatic language family) with the largest number of speakers, spoken as a first language by more than 70 million people, and as a second language by another 40 to 50 million or more. Originally the language of the Hausa people stretching across southern Niger and northern Nigeria, it has developed into a lingua franca across much of western Africa for purposes of trade. In the 20th and 21st centuries, it has become more commonly published in print and online.
Document 6: Tiv people: Tiv (or Tivi) is an ethno-linguistic group or ethnic nation in West Africa. The group constitutes approximately 7% of Nigeria's total population, and number about 3.5 million individuals throughout Nigeria and Cameroon. The Tiv are the 4th largest ethnic group in Nigeria. The Tiv language is spoken by about 2.2 million people in Nigeria (as of 1991), with a few speakers in Cameroon. Most of the language's Nigerian speakers are found in Benue State of Nigeria. The language is also widely spoken in the Nigerian States of Plateau, Taraba, Nasarawa and Cross River, as well as the FCT Abuja. It is part of the Southern Bantoid Tivoid family, a branch of Benue–Congo and ultimately of the Niger–Congo phylum. In precolonial times, the Fulani ethnic group referred to the Tiv as "Munchi", a term not accepted by Tiv people. They depend on agricultural produce for commerce and life.
Document 7: Bure language: Bure, also known as Bubbure, is an Afro-Asiatic language belonging to the Bole-Tangale group of the West branch of the Chadic family. It is spoken in northern Nigeria in the village of Bure (10°31’06.16”N, 10°20’03.00”E, Kirfi Local Government, Bauchi State, Nigeria) and in some small settlements nearby. The language is used mostly by a very few speakers, of great-grandparental generation. Except for Hausa, which is lingua franca in the area, Bure is surrounded by other Chadic languages such as Gera, Giiwo and Deno (Bole group).
Document 8: Toucouleur people: The Toucouleur people, also called Tukulor or Haalpulaar, are a West African ethnic group. They are found mostly in Futa Tooro region of Senegal, with some in Mali and Mauritania. The Toucouleur have been Muslims who embraced Islam in the 11th century, their early and strong Islamic heritage is a matter of great pride for them. They have been influential in the spread of Islam to West Africa in the medieval era, later founded the vast Toucouleur Empire in the 19th century under El Hadj Umar Tall that led a religious war against their neighboring ethnic groups and the French colonial forces.
Document 9: Dambazawa: The Dambazawa (or Danbazawa) are a Fulani clan residing mainly in Kano state of Nigeria. They were among the key promoters, planners and executors of the Fulani Jihad in Kano, which took place between 1804 and 1807 under the banner of Shehu Usuman dan Fodiyo. They were also said to be the top financiers of the jihad in Kano by virtue of their being an extremely wealthy Fulani clan at the time of the jihad. Fulani Clans that participated in the Jihad in Kano apart from the Dambazawa include; Mundubawa, Jobawa, Yolawa, Sullubawa, Danejawa and others, including a contingent of the local Hausa people lead by Malam Usuman bahaushe. Together this group formed a formidable force that made jihad in Kano and toppled the Kutumbawa dynasty of 158 years; under its last and final ruler Muhammad Alwali dan Yaji dan Dadi bakutumbe (reign: 1781-1806).
Document 10: Gwandara language: Gwandara is a West Chadic language, and the closest relative of Hausa. Its several dialects are spoken in northern Nigeria, predominantly in the north central region of Nigeria with over 400,000 people. Gwandara are situated among these areas; Federal Capital Territory Abuja, Niger state,Nasarawa state, and some part of Kogi state. And with other dispatch communities across the northern part of Nigeria in area like Kano, Kaduna and katsina state. The incumbent governor of Nasarawa state Tanko Al-makura is the first gwandara person to become a governor in Nigeria.
Document 11: Hina language: The Mina language, also known by the names Hina and Besleri, is a Chadic language spoken in Northern Cameroon by 10,000 people. Speakers of Mina are generally bilingual, with Fulfulde (Fula) being the second language. Fulfulde is often joined by French as a third language in educated speakers.
Document 12: Chadic languages: The Chadic languages are a branch of the Afroasiatic language family that is spoken in parts of the Sahel. They include 150 languages spoken across northern Nigeria, southern Niger, southern Chad, Central African Republic and northern Cameroon. The most widely spoken Chadic language is Hausa, a lingua franca of much of inland West Africa.
Document 13: Hyderabadi Muslims: Hyderabadi Muslims are an ethnoreligious community of Urdu-speaking Muslims, part of a larger group of Dakhini Muslims, from the area that used to be the princely state of Hyderabad, India, including cities like Hyderabad, Aurangabad, Gulbarga and Bidar. While the term "Hyderabadi" now only refers to residents in and around the city of Hyderabad, the term Hyderabadi Muslims can refer to those native Muslim residents of the erstwhile princely state.The native language of the Hyderabadi Muslims is Hyderabadi Urdu, which is a form of the Dakhini language. With their origins in the Muslim Bahmani Sultanate and then the Deccan sultanates, Hyderabadi Muslim culture became defined in the latter half of the reign of the Asif Jahi Dynasty in Hyderabad. The culture exists today mainly in the old city of Hyderabad, Aurangabad, and among the Hyderabadi Muslim diaspora around the world, in particular, Pakistan, Saudi Arabia, the Arab states of the Persian Gulf, USA, Canada and the United Kingdom.
Document 14: West Chadic languages: The West Chadic languages of the Afro-Asiatic family are spoken principally in Niger and Nigeria. They include Hausa, the most populous Chadic language and a major language of West Africa.
Document 15: Hausa–Fulani: Hausa–Fulani are collectively the Hausa and Fulani people of Africa. The two are grouped together because since the Fulani War their histories have been largely intertwined within Nigeria. For example, when the Fulani took over the Hausa city-state of Kano during the expansion of the Sokoto Caliphate, the new emirs at first spoke Fulfulde but eventually had shifted to Hausa instead.
ground_truth: Hausa