Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

Input: Consider Input: Paragraph- Sent 1: When American 11 struck the World Trade Center at 8:46, no one in the White House or traveling with the President knew that it had been hijacked.
Sent 2: While that information circulated within the FAA, we found no evidence that the hijacking was reported to any other agency in Washington before 8:46.
Sent 3: Most federal agencies learned about the crash in New York from CNN.
Sent 4: Within the FAA, the administrator, Jane Garvey, and her acting deputy, Monte Belger, had not been told of a confirmed hijacking before they learned from television that a plane had crashed.
Sent 5: Others in the agency were aware of it, as we explained earlier in this chapter.
Sent 6: Inside the National Military Command Center, the deputy director of operations and his assistant began notifying senior Pentagon officials of the incident.
Sent 7: At about 9:00, the senior NMCC operations officer reached out to the FAA operations center for information.
Sent 8: Although the NMCC was advised of the hijacking of American 11, the scrambling of jets was not discussed.
Sent 9: In Sarasota, Florida, the presidential motorcade was arriving at the Emma E. Booker Elementary School, where President Bush was to read to a class and talk about education.
Sent 10: White House Chief of Staff Andrew Card told us he was standing with the President outside the classroom when Senior Advisor to the President Karl Rove first informed them that a small, twin-engine plane had crashed into the World Trade Center.
Sent 11: The President's reaction was that the incident must have been caused by pilot error.
Sent 12: At 8:55, before entering the classroom, the President spoke to National Security Advisor Condoleezza Rice, who was at the White House.
Sent 13: She recalled first telling the President it was a twin-engine aircraft-and then a commercial aircraft-that had struck the World Trade Center, adding "that's all we know right now, Mr. President."Sent 14: At the White House, Vice President Dick Cheney had just sat down for a meeting when his assistant told him to turn on his television because a plane had struck the NorthTower of the World Trade Center.
Sent 15: The Vice President was wondering "How the hell could a plane hit the World Trade Center" when he saw the second aircraft strike the South Tower.
Sent 16: Elsewhere in the White House, a series of 9:00 meetings was about to begin.
Sent 17: In the absence of information that the crash was anything other than an accident, the White House staff monitored the news as they went ahead with their regular schedules.
Question: What was the Vice president doing when he saw a second plane strike the South Tower and what did the rest of the White House staff do?.

Output: The Vice President was sitting down to a meeting and the White House staff were about to start 9:00 meetings but ended up monitored the news.

Input: Consider Input: Paragraph- Sent 1: The world can be divided into three climate zones.
Sent 2: The first climate zone is the polar zone.
Sent 3: As it sounds, the polar zone is near earths poles.
Sent 4: The polar zone has very long and cold winters.
Sent 5: Brrr!!!!
Sent 6: Near the equator is the tropical zone.
Sent 7: The tropical zone is known for being hot and wet.
Sent 8: Between these two zones is the temperate zone.
Sent 9: Temperatures there tend to be mild.
Sent 10: Its not too hot and not too cold.
Sent 11: You might expect places near the equator to be hot and wet.
Sent 12: Thats not always the case.
Sent 13: Sometimes there are other factors at work.
Sent 14: These factors can affect the local climate type or a region.
Sent 15: Oceans and mountain ranges can have a major impact.
Sent 16: They can greatly influence the climate of an area.
Sent 17: Many factors influence an areas climate.
Question: What is the tropical zone?.

Output: Near the Equator.

Input: Consider Input: Paragraph- Sent 1: As food is pushed along, it undergoes digestion.
Sent 2: Digestion is the process of breaking down food into nutrients.
Sent 3: There are two types of digestion: mechanical digestion and chemical digestion.
Sent 4: Mechanical digestion occurs when large chunks are turned into smaller chucks.
Sent 5: Perhaps not surprisingly, this happens when you chew your food.
Sent 6: Once you swallow the food, your stomach also does some of this work.
Sent 7: Chemical digestion occurs when food is broken down into useful nutrients.
Sent 8: This is a chemical process that begins as you start to chew your food.
Sent 9: The saliva in your mouth starts this process.
Sent 10: Once you swallow, the acid in your stomach further breaks down food.
Sent 11: From the stomach, the foods moves into the small intestine.
Sent 12: In the small intestines, another set of chemicals goes to work.
Sent 13: Are you surprised?
Sent 14: Your small intestine, and not your stomach, does most of the work!.
Question: At what point does chemical digestion start?.
Output: Once you swallow the food.