Problem:Passage: In response to the order, Lucan instructed Cardigan to lead his command of about 670 troopers of the Light Brigade straight into the valley between the Fedyukhin Heights and the Causeway Heights. In his poem, "The Charge of the Light Brigade" (1854), Tennyson famously dubbed this hollow "The Valley of Death".

Question: Based on this passage, where did charge of the light brigade take place?
Solution:OK... This is the relevant information: In his poem, "The Charge of the Light Brigade" (1854), Tennyson famously dubbed this hollow "The Valley of Death".
the valley between the Fedyukhin Heights and the Causeway Heights.

Student A:Passage: This list contains the top 25 accounts with the most followers on the social photo-sharing platform Instagram. As of May 2018, the most followed user is Instagram's own account, with over 235 million followers. Selena Gomez is the most followed individual, with over 137 million followers. Ten accounts have exceeded 100 million followers on the site.

Question: Based on this passage, who is the most following person in instagram?
Student B:OK... The important part for answering this question is: Selena Gomez is the most followed individual, with over 137 million followers.
Selena Gomez.

Problem:Gates of the Arctic National Park and Preserve is a U.S. National Park in Alaska. It is the northernmost national park in the U.S. (the entirety of the park lies north of the Arctic Circle) and the second largest at 8,472,506 acres (3,428,702 ha) (34,287 km2), slightly larger in area than Belgium. The park consists primarily of portions of the Brooks Range of mountains. It was first protected as a U.S. National Monument on December 1, 1978, before becoming a national park and preserve two years later in 1980 upon passage of the Alaska National Interest Lands Conservation Act. A large part of the park is protected in the Gates of the Arctic Wilderness which covers 7,167,192 acres (2,900,460 ha). The wilderness area adjoins the Noatak Wilderness Area and together they form the largest contiguous wilderness in the United States.

When did gates of the arctic become a national park?
Solution:OK... To answer the question, consider the following: It was first protected as a U.S. National Monument on December 1, 1978, before becoming a national park and preserve two years later in 1980 upon passage of the Alaska National Interest Lands Conservation Act.
1980.

Student A:Context: A lunar eclipse occurs when the Moon passes directly behind the Earth into its umbra (shadow). This can occur only when the sun, Earth, and moon are aligned (in "syzygy") exactly, or very closely so, with the Earth in the middle. Hence, a lunar eclipse can occur only the night of a full moon. The type and length of an eclipse depend upon the Moon's location relative to its orbital nodes.

Question: phase of the moon during a lunar eclipse?
Student B:OK... The relevant information to answer the above question is: Hence, a lunar eclipse can occur only the night of a full moon.
a full moon.

Problem:The Day of the Dead celebrations in Mexico developed from ancient traditions among its pre-Columbian cultures. Rituals celebrating the deaths of ancestors had been observed by these civilizations perhaps for as long as 2,500 -- 3,000 years. The festival that developed into the modern Day of the Dead fell in the ninth month of the Aztec calendar, about the beginning of August, and was celebrated for an entire month. The festivities were dedicated to the goddess known as the "Lady of the Dead", corresponding to the modern La Calavera Catrina.

Where did the day of the dead originate from?
Solution:OK... The relevant information to answer the above question is: The Day of the Dead celebrations in Mexico developed from ancient traditions among its pre-Columbian cultures.
ancient traditions among its pre-Columbian cultures.

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.