Input: Article: "4 Minutes" was released as the album's lead single and peaked at number three on the Billboard Hot 100. It was Madonna's 37th top-ten hit on the chartit pushed Madonna past Elvis Presley as the artist with the most top-ten hits. In the UK she retained her record for the most number-one singles for a female artist; "4 Minutes" becoming her thirteenth. At the 23rd Japan Gold Disc Awards, Madonna received her fifth Artist of the Year trophy from Recording Industry Association of Japan, the most for any artist. To further promote the album, Madonna embarked on the Sticky & Sweet Tour; her first major venture with Live Nation. With a gross of $280 million, it became the highest-grossing tour by a solo artist then, surpassing the previous record Madonna set with the Confessions Tour; it was later surpassed by Roger Waters' The Wall Live. It was extended to the next year, adding new European dates, and after it ended, the total gross was $408 million.

Now answer this question: What is the name of the first tour with Live Nation?

Output: Sticky & Sweet Tour

Input: Article: Around this time, tensions began to arise between what was perceived as president Nunez's dictatorial rule and the nationalistic support group, Boixos Nois. The group, identified with a left-wing separatism, repeatedly demanded the resignation of Nunez and openly defied him through chants and banners at matches. At the same time, Barcelona experienced an eruption in skinheads, who often identified with a right-wing separatism. The skinheads slowly transferred the Boixos Nois' ideology from liberalism to fascism, which caused division within the group and a sudden support for Nunez's presidency. Inspired by British hooligans, the remaining Boixos Nois became violent, causing havoc leading to large-scale arrests.

Now answer this question: What did the resulting violence perpetrated by the extremists produce?

Output: large-scale arrests

Input: Article: In mathematics, the Persian mathematician Muhammad ibn Musa al-Khwarizmi gave his name to the concept of the algorithm, while the term algebra is derived from al-jabr, the beginning of the title of one of his publications. What is now known as Arabic numerals originally came from India, but Muslim mathematicians did make several refinements to the number system, such as the introduction of decimal point notation. Sabian mathematician Al-Battani (850-929) contributed to astronomy and mathematics, while Persian scholar Al-Razi contributed to chemistry and medicine.

Now answer this question: What was Muhammad ibn Musa al-Khwarizmi's profession?

Output:
mathematician