instruction:
In this task, you will be presented with a context passage, a question about that paragraph, and a possible answer to that question. The task is to check the validity of the answer. Answer with "Yes" or "No".
question:
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. 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. Most federal agencies learned about the crash in New York from CNN. 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. Others in the agency were aware of it, as we explained earlier in this chapter. Inside the National Military Command Center, the deputy director of operations and his assistant began notifying senior Pentagon officials of the incident. At about 9:00, the senior NMCC operations officer reached out to the FAA operations center for information. Although the NMCC was advised of the hijacking of American 11, the scrambling of jets was not discussed. 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. 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. The President's reaction was that the incident must have been caused by pilot error. At 8:55, before entering the classroom, the President spoke to National Security Advisor Condoleezza Rice, who was at the White House. 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." 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. 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. Elsewhere in the White House, a series of 9:00 meetings was about to begin. 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. <sep>What airplane crash did most federal agencies learn about through CNN, rather than their own internal reporting channels?<sep>American 11
answer:
Yes

question:
A day at the beach. When Sam woke in the morning, he was super excited! Today was the day! It was Sunday, the day that Sam's mom and dad had promised to take Sam to the beach. Sam's grandma had given a pail and shovel to Sam to use in the sand. At breakfast Sam was so excited he was wiggling in his seat! Mom told Sam that they would leave when the big hand on the clock was pointing to the 10, and the little had was pointing to the 12. Mom asked Sam if he would like to help make sandwiches for the trip, and Sam said that he wanted to help. Dad said, "let's make a game of it, we need to make a sandwich for each of us. There are three of us, so we need three sandwiches. Let's count as we make the sandwiches!" Sam counted as mom made the sandwiches, one for dad, one for mom and one for Sam. Then mom started to make another sandwich! "Mom!" said Sam, "we have three sandwiches and that makes one sandwich for each of us." Sam's mom laughed, "You're right Sam!" Sam's mom said she was being silly. <sep>What were Sam's words as mom made the Sandwich?<sep>You're right Sam!
answer:
No

question:
"What goes up must come down." You have probably heard that statement before. At one time this statement was true, but no longer. Since the 1960s, we have sent many spacecraft into space. Some are still traveling away from Earth. So it is possible to overcome gravity. Do you need a giant rocket to overcome gravity? No, you actually overcome gravity every day. Think about when you climb a set of stairs. When you do, you are overcoming gravity. What if you jump on a trampoline? You are overcoming gravity for a few seconds. Everyone can overcome gravity. You just need to apply a force larger than gravity. Think about that the next time you jump into the air. You are overcoming gravity for a brief second. Enjoy it while it lasts. Eventually, gravity will win the battle. <sep>Are you overcoming gravity for an hour when you jump on a trampoline?<sep>No
answer:
Yes