Input: Article: Scientists are still debating when people started wearing clothes. Ralf Kittler, Manfred Kayser and Mark Stoneking, anthropologists at the Max Planck Institute for Evolutionary Anthropology, have conducted a genetic analysis of human body lice that suggests clothing originated quite recently, around 170,000 years ago. Body lice is an indicator of clothes-wearing, since most humans have sparse body hair, and lice thus require human clothing to survive. Their research suggests the invention of clothing may have coincided with the northward migration of modern Homo sapiens away from the warm climate of Africa, thought to have begun between 50,000 and 100,000 years ago. However, a second group of researchers using similar genetic methods estimate that clothing originated around 540,000 years ago (Reed et al. 2004. PLoS Biology 2(11): e340). For now, the date of the origin of clothing remains unresolved.[citation needed]

Now answer this question: What about the origin of clothing remains unanswered?

Output: the date

Input: Article: The Jewish Legion, a group primarily of Zionist volunteers, assisted, in 1918, in the British conquest of Palestine. Arab opposition to British rule and Jewish immigration led to the 1920 Palestine riots and the formation of a Jewish militia known as the Haganah (meaning "The Defense" in Hebrew), from which the Irgun and Lehi, or Stern Gang, paramilitary groups later split off. In 1922, the League of Nations granted Britain a mandate over Palestine under terms which included the Balfour Declaration with its promise to the Jews, and with similar provisions regarding the Arab Palestinians. The population of the area at this time was predominantly Arab and Muslim, with Jews accounting for about 11%, and Arab Christians at about 9.5% of the population.

Now answer this question: What does Haganah mean in Hebrew?

Output: The Defense

Input: Article: Of approximately 100 million native speakers of German in the world, roughly 80 million consider themselves Germans.[citation needed] There are an additional 80 million people of German ancestry mainly in the United States, Brazil (mainly in the South Region of the country), Argentina, Canada, South Africa, the post-Soviet states (mainly in Russia and Kazakhstan), and France, each accounting for at least 1 million.[note 2] Thus, the total number of Germans lies somewhere between 100 and more than 150 million, depending on the criteria applied (native speakers, single-ancestry ethnic Germans, partial German ancestry, etc.).

Now answer this question: How many native German speakers consider themselves German?

Output:
80 million