Given the following passage "After 13 months at the hospital, Broz was sent to a work camp in the Ural Mountains where prisoners selected him for their camp leader. In February 1917, revolting workers broke into the prison and freed the prisoners. Broz subsequently joined a Bolshevik group. In April 1917, he was arrested again but managed to escape and participate in the July Days demonstrations in Petrograd (St. Petersburg) on 1617 July 1917. On his way to Finland, Broz was caught and imprisoned in the Peter and Paul Fortress for three weeks. He was again sent to Kungur, but escaped from the train. He hid with a Russian family in Omsk, Siberia where he met his future wife Pelagija Belousova. After the October Revolution, he joined a Red Guard unit in Omsk. Following a White counteroffensive, he fled to Kirgiziya and subsequently returned to Omsk, where he married Belousova. In the spring of 1918, he joined the Yugoslav section of the Russian Communist Party. By June of the same year, Broz left Omsk to find work and support his family, and was employed as a mechanic near Omsk for a year.", answer the following question. Note that the answer is present within the text. Question: Why did broz return to omsk?
Ans: a White counteroffensive

Given the following passage "The US racial or ethnic classification "black" refers to people with all possible kinds of skin pigmentation, from the darkest through to the very lightest skin colors, including albinos, if they are believed by others to have West African ancestry (in any discernible percentage), or to exhibit cultural traits associated with being "African American". As a result, in the United States the term "black people" is not an indicator of skin color or ethnic origin but is instead a socially based racial classification related to being African American, with a family history associated with institutionalized slavery. Relatively dark-skinned people can be classified as white if they fulfill other social criteria of "whiteness", and relatively light-skinned people can be classified as black if they fulfill the social criteria for "blackness" in a particular setting.", answer the following question. Note that the answer is present within the text. Question: Where did black skin originate?
Ans: African

Given the following passage "While Harkness' original colleges were Georgian Revival or Collegiate Gothic in style, two colleges constructed in the 1960s, Morse and Ezra Stiles Colleges, have modernist designs. All twelve college quadrangles are organized around a courtyard, and each has a dining hall, courtyard, library, common room, and a range of student facilities. The twelve colleges are named for important alumni or significant places in university history. In 2017, the university expects to open two new colleges near Science Hill.", answer the following question. Note that the answer is present within the text. Question: What was part of the style of the colleges?
Ans: All twelve college quadrangles are organized around a courtyard, and each has a dining hall, courtyard, library, common room, and a range of student facilities

Given the following passage "During the 200910 school year, there were a total of 10,979 pupils attending classes in Bern. There were 89 kindergarten classes with a total of 1,641 pupils in the municipality. Of the kindergarten pupils, 32.4% were permanent or temporary residents of Switzerland (not citizens) and 40.2% have a different mother language than the classroom language. The municipality had 266 primary classes and 5,040 pupils. Of the primary pupils, 30.1% were permanent or temporary residents of Switzerland (not citizens) and 35.7% have a different mother language than the classroom language. During the same year, there were 151 lower secondary classes with a total of 2,581 pupils. There were 28.7% who were permanent or temporary residents of Switzerland (not citizens) and 32.7% have a different mother language than the classroom language.", answer the following question. Note that the answer is present within the text. Question: Which education level had the least amount of non-citizens?
Ans: lower secondary