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.
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Question: Paragraph- Sent 1: American Airlines Flight 11: FAA Awareness.
Sent 2: Although the Boston Center air traffic controller realized at an early stage that there was something wrong with American 11, he did not immediately interpret the plane's failure to respond as a sign that it had been hijacked.
Sent 3: At 8:14, when the flight failed to heed his instruction to climb to 35,000 feet, the controller repeatedly tried to raise the flight.
Sent 4: He reached out to the pilot on the emergency frequency.
Sent 5: Though there was no response, he kept trying to contact the aircraft.
Sent 6: At 8:21, American 11 turned off its transponder, immediately degrading the information available about the aircraft.
Sent 7: The controller told his supervisor that he thought something was seriously wrong with the plane, although neither suspected a hijacking.
Sent 8: The supervisor instructed the controller to follow standard procedures for handling a "no radio" aircraft.
Sent 9: The controller checked to see if American Airlines could establish communication with American 11.
Sent 10: He became even more concerned as its route changed, moving into another sector's airspace.
Sent 11: Controllers immediately began to move aircraft out of its path, and asked other aircraft in the vicinity to look for American 11.
Sent 12: At 8:24:38, the following transmission came from American 11: American 11: We have some planes.
Sent 13: Just stay quiet, and you'll be okay.
Sent 14: We are returning to the airport.
Sent 15: The controller only heard something unintelligible; he did not hear the specific words "we have some planes."Sent 16: The next transmission came seconds later: American 11: Nobody move.
Sent 17: Everything will be okay.
Sent 18: If you try to make any moves, you'll endanger yourself and the airplane.
Question: Why did the FAA try to contact the aircraft?.

Answer: To see if normal communications could be reached.

Question: Paragraph- Sent 1: Imagine a glass of your favorite drink that never became empty.
Sent 2: Now think about what really happens.
Sent 3: You take a drink and there is less in the glass.
Sent 4: You keep drinking and soon it is all gone.
Sent 5: Good thing you have more to refill your glass.
Sent 6: What if there would never be any more of your favorite drink.
Sent 7: What would you do?
Sent 8: Now you know the difference between renewable and non-renewable.
Sent 9: Its too bad that many things here on Earth will run out.
Sent 10: This includes some of our natural resources we depend on.
Sent 11: Things like oil will not last forever.
Sent 12: There is a limited supply.
Sent 13: Someday, we will run out, so then what?
Sent 14: At current rates of use, coal will last about 300 years.
Sent 15: Petroleum will be used up in just a few decades.
Question: What scenario does the author use to illustrate the difference between renewable and non renewable resources?.

Answer: He/she uses a glass and ones favorite drink, one case of were you always have that drink to fill the glass and no scenario there is no more to fill up the glass.

Question: Paragraph- Sent 1: Amateur tennis star Guy Haines wants to divorce his vulgar and unfaithful wife Miriam , so he can marry the elegant and beautiful Anne Morton , daughter of a senator .
Sent 2: While on a train to meet Miriam , Haines meets Bruno Anthony , a forward stranger who recognizes Guy from gossip items in the newspapers that detail his marital problems .
Sent 3: During lunch in Bruno's compartment , Bruno tells Guy about his idea for the perfect '' Criss-cross '' murder : he will kill Miriam and in exchange , Guy will kill Bruno's father .
Sent 4: Since both are strangers , otherwise unconnected , there is no identifiable motive for the crimes , Bruno contends , hence no suspicion .
Sent 5: Guy hurriedly leaves the compartment but leaves Bruno thinking he has agreed to the deal .
Sent 6: Guy accidentally leaves his cigarette lighter behind , a gift from Anne to Guy , Which Bruno pockets .
Sent 7: Bruno heads to Guy's hometown of Metcalf and follows Miriam and her two beaux to an amusement park , where he briefly illuminates her face with Guy's lighter , then strangles her to death .
Sent 8: Guy's problems begin when his alibi an inebriated college professor on the same train as Guy can not remember their meeting .
Sent 9: But they increase exponentially when Bruno makes repeated appearances into Guy's life as he seeks to remind Guy that he is now obliged to kill Bruno's father , according to the bargain he thinks they struck on the train .
Sent 10: Bruno sends Guy the keys to his house , a map to his father's room , and a pistol .
Sent 11: Soon after , Bruno appears at a party at Senator Morton's house and hobnobs with the guests , much to Guy's apprehension and Anne's increasing suspicion .
Question: What are the things given by Bruno to kill his father?.

Answer:
Map, a key, a pistol.