Input: Earthquakes seemed to outline a special feature of earth's crust. Earthquakes let scientists know where the crust was moving. This led to the discovery that the Earths crust was broken up into regions, or plates. Earthquakes happen most often along these plate boundaries. This was evidence that continents can move. The movements of the plates are called plate tectonics. The Earths crust is divided into plates. There are about a dozen large plates and several small ones. Each plate is named for the continent or ocean basin it contains. Scientists know he plates are in motion. They now know the direction and speed of this motion . Plates dont move very fast. They move only a few centimeters a year. This is about the same rate fingernails grow. So you might wonder, what could cause this motion? What supplies the energy to cause this change?

Does the response "Direction of plate movement" correctly answer the question "How did scientists learn about the Earth's plates?"?

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Output: no

Earth processes have not changed over time. The way things happen now is the same way things happened in the past. Mountains grow and mountains slowly wear away. The same process is at work the same as it was billions of years ago. As the environment changes, living creatures adapt. They change over time. Some organisms may not be able to adapt. They become extinct. Becoming extinct means they die out completely. Some geologists study the history of the Earth. They want to learn about Earths past. They use clues from rocks and fossils. They use these clues to make sense of events. The goal is to place things in the order they happened. They also want to know how long it took for those events to happen.

Question: "What are the goals of geologists?"

OPTIONS:
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Answer: "Learn from the past"

Response: yes

Tuesday, September 11, 2001, dawned temperate and nearly cloudless in the eastern United States. Millions of men and women readied themselves for work. Some made their way to the Twin Towers, the signature structures of the World Trade Center complex in New York City. Others went to Arlington, Virginia, to the Pentagon. Across the Potomac River, the United States Congress was back in session. At the other end of Pennsylvania Avenue, people began to line up for a White House tour. In Sarasota, Florida, President George W. Bush went for an early morning run. For those heading to an airport, weather conditions could not have been better for a safe and pleasant journey. Among the travelers were Mohamed Atta and Abdul Aziz al Omari, who arrived at the airport in Portland, Maine. Boston: American 11 and United 175. Atta and Omari boarded a 6:00 A.M. flight from Portland to Boston's Logan International Airport. When he checked in for his flight to Boston, Atta was selected by a computerized prescreening system known as CAPPS (Computer Assisted Passenger Prescreening System), created to identify passengers who should be subject to special security measures. Under security rules in place at the time, the only consequence of Atta's selection by CAPPS was that his checked bags were held off the plane until it was confirmed that he had boarded the aircraft. This did not hinder Atta's plans. Atta and Omari arrived in Boston at 6:45. Seven minutes later, Atta apparently took a call from Marwan al Shehhi, a longtime colleague who was at another terminal at Logan Airport. They spoke for three minutes. It would be their final conversation.

Question: "Where did Atta and Oari travel from, and where did they travel to?"

Response: "Boston to Virginia"
OPTIONS:
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A: no

Problem: Dirk Diggler was born as Steven Samuel Adams on April 15 , 1961 outside of Saint Paul , Minnesota . His parents were a construction worker and a boutique shop owner who attended church every Sunday and believed in God . Looking for a career as a male model , Diggler dropped out of school at age 16 and left home . He was discovered at a falafel stand by Jack Horner . Diggler met his friend , Reed Rothchild , through Horner in 1979 while working on a film . Horner slowly introduced Diggler to the business until he became noticeable within the industry . Diggler became a prominent model and began appearing in pornographic films , after Which his career took off . He had critical and box office hits Which led him to stardom . The hits and publicity led to fame and money Which led Diggler to the world of drugs . With the amount of money Diggler was making he was able to support both his and Rothchild's addictions . The drugs eventually caused a breakup between Diggler and Horner since Diggler was having issues with his performance on set . After the breakup Diggler tried to make a film himself but the film was never completed . He then attempted a music career Which was also successful but led him deeper into drugs because of the amount of money he was making . He then starred in a TV show Which was a failure both critically and commercially . Having failed and with no work , Diggler returned to the porn industry taking roles in low-budget homosexual films to help support his habit .

Question: "Which career did Diggler go after and became famous in?"

Answer: "TV Acting"

OPTIONS:
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- yes
Answer: yes

You know that friction also causes heat. Think about when you rub your hands together. It is friction that makes them warm. But why does this happen? Friction causes the molecules on rubbing surfaces to move faster. Faster moving particles have more heat energy. Heat from friction can be useful. Can you think of other places where you might find friction? Friction also lets you light a match. Heat from friction can also cause problems. It can cause a car to overheat. To reduce friction, oil is added to the engine. Oil coats the surfaces of moving parts. This coating of oil makes them slippery. When things are slippery there is less friction. Have you ever seen a sign that says, slippery when wet? This too has to do with friction. Water, like oil, can reduce friction. The wet surface may allow your shoes to slide more easily.

Question: "How does oil reduce friction between moving car parts?"

Response: "Move faster"
OPTIONS:
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- yes

A:
no