Problem:The Delhi Sultanate (Persian: , Urdu: ) was a Muslim sultanate based mostly in Delhi that stretched over large parts of the Indian subcontinent for 320 years (1206 -- 1526). Five dynasties ruled over the Delhi Sultanate sequentially: the Mamluk dynasty (1206 -- 90), the Khalji dynasty (1290 -- 1320), the Tughlaq dynasty (1320 -- 1414), the Sayyid dynasty (1414 -- 51), and the Lodi dynasty (1451 -- 1526). The sultanate is noted for being one of the few states to repel an attack by the Mongol Empire, and enthroned one of the few female rulers in Islamic history, Razia Sultana, who reigned from 1236 to 1240.

Answer this question: when did the reign of delhi sultanate came to an end?
Solution:OK... The relevant information is: The Delhi Sultanate (Persian: , Urdu: ) was a Muslim sultanate based mostly in Delhi that stretched over large parts of the Indian subcontinent for 320 years (1206 -- 1526).
1526.

Student A:The Chernobyl accident dominates the energy accidents sub-category of most disastrous nuclear power plant accident in history, both in terms of cost and casualties. It is one of only two nuclear energy accidents classified as a level 7 event (the maximum classification) on the International Nuclear Event Scale, the other being the Fukushima Daiichi nuclear disaster in Japan in 2011. The struggle to safeguard against scenarios which were perceived, in many cases falsely, as having the potential for greater catastrophe, together with later decontamination efforts of the surroundings, ultimately involved over 500,000 workers and cost an estimated 18 billion rubles.

Where did the largest nuclear accident take place?
Student B:OK... The relevant information to answer the above question is: The Chernobyl accident dominates the energy accidents sub-category of most disastrous nuclear power plant accident in history, both in terms of cost and casualties.
The Chernobyl accident.

Problem:Stephen Joseph Rowe (born July 1967) is a British businessman, CEO of Marks & Spencer since April 2016.

Based on this passage, who is chief executive of marks and spencer?
Solution:OK... To answer the question, consider the following: Stephen Joseph Rowe (born July 1967) is a British businessman, CEO of Marks & Spencer since April 2016.
Stephen Joseph Rowe.

Student A:"The First Cut Is the Deepest" is a 1967 song written by Cat Stevens, originally released by P.P. Arnold in May 1967. Stevens' own version originally appeared on his album New Masters in December 1967.

Answer this question based on the passage: who sang the first cut is the deepest originally?
Student B:OK... The relevant information is: "The First Cut Is the Deepest" is a 1967 song written by Cat Stevens, originally released by P.P. Arnold in May 1967.
P.P. Arnold.

Problem:The Board of Governors of the Federal Reserve System, commonly known as the Federal Reserve Board, is the main governing body of the Federal Reserve System. It is charged with overseeing the Federal Reserve Banks and with helping implement monetary policy of the United States. Governors are appointed by the President of the United States and confirmed by the Senate for staggered 14-year terms.

Answer this question: who appoints the board of governors of the federal reserve?
Solution:OK... The important part for answering this question is: Governors are appointed by the President of the United States and confirmed by the Senate for staggered 14-year terms.
the President of the United States.

Problem:Farber was born in Moscow, Russia, but moved to Australia in 1986. His family is Jewish. He began dancing at the age of 13. When he was 17, Farber won the Australian Youth Latin Championships twice and represented Australia at the World Latin Championships. He was also featured in the 2000 Sydney Olympic Games closing ceremony and featured in the second season of the Australian Dancing with the Stars. He was also an original cast member of Broadway production of Burn the Floor. He dated fellow Dancing with the Stars member Emma Slater from 2011 to 2014. In December 2015, Farber made a post on his Instagram account confirming that he and Slater were back together. On October 4, 2016, Farber proposed to Slater during a broadcast of Dancing with the Stars after performing a dance together. The two are now engaged on February 2, 2018 Farber and fiancee Emma Slater announced that they were expecting their first child.

Who is sasha on dancing with the stars engaged to?
Solution:
OK... To answer this question, we should know that: The two are now engaged on February 2, 2018 Farber and fiancee Emma Slater announced that they were expecting their first child.
Emma Slater.