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.

Example Input: Paragraph- Sent 1: At the age of eighteen there came a change in Poe's life.
Sent 2: Until then he had been a petted child in a wealthy family.
Sent 3: Mr. Allan did not have that affection for him which Mrs. Allan had.
Sent 4: He did not understand the boy's peculiar and erratic nature, and was particularly displeased when he found that Edgar had run into debt at college.
Sent 5: There was an angry scene between the two, and Edgar was told that he must leave the university and go into the counting-room.
Sent 6: It appears that he made some attempt to tie himself down to figures and accounts and business routine; but as he had not been brought up to this kind of life, he soon tired of it, and decided to go into the world to seek his own fortune.
Sent 7: He went to Boston, where he published a volume of poetry.
Sent 8: In the preface to this volume, Poe says that the poems were written before he was fourteen.
Sent 9: Though this may not be strictly true, there is little doubt that some of them were.
Sent 10: While he was still at school he had collected enough of his poems to make a volume, and Mr. Allan had taken them up to the master of the English and Classical School to get his advice about publishing them.
Sent 11: This gentleman advised against it on the ground that it would make Edgar conceited,--a fault from which he was already suffering.
Sent 12: As soon as he was free to do as he pleased, therefore, it was natural that he should rewrite his poems and publish them.
Question: Who was Mr. Allan?.
Example Output: Poe's father.

Example Input: Paragraph- Sent 1: Jake was walking to the park to play baseball with his friends.
Sent 2: He loved being outside on sunny days, and now that school was over for the year, he was playing baseball every day.
Sent 3: The more he played, the better he got.
Sent 4: Only Frank was better than he was.
Sent 5: He liked playing third base, but he often played in the field.
Sent 6: He was carrying his favorite mitt that his Grandfather had bought him.
Sent 7: His Grandfather had taught him to catch.
Sent 8: He loved spending time with him when he was younger, but he had moved last year.
Sent 9: Now he only saw his Grandfather in the summer.
Sent 10: Jake was really excited to show him his skills when he came to their next game.
Sent 11: He could throw really fast now.
Sent 12: He was sure his Grandfather would want to sit in the front to watch him.
Sent 13: He knew he would jump up and down.
Sent 14: Jake happily ran the rest of the way to the park thinking about how much fun he was going to have playing baseball this year.
Question: Did Jake's grandfather teach him how to catch with the mitt he bought him?.
Example Output: Yes.

Example Input: Paragraph- Sent 1: Hurlburt Field, Florida (CNN) -- An Air Force CV-22 Osprey crashed Wednesday during a routine training mission north of Navarre, Florida, injuring five crew members aboard, a military official said.
Sent 2: The crash occurred about 6:45 p.m.
Sent 3: at Hurlburt Field's Eglin Range, said Amy Nicholson, chief of public affairs at the airfield.
Sent 4: The five injured crew members were taken to an area hospital, Nicholson said.
Sent 5: The extent of their injuries was not immediately known.
Sent 6: The cause of the accident is under investigation, she said.
Sent 7: The Osprey was assigned to the 1st Special Operations Wing, the Air Force said.
Sent 8: The tilt-rotor aircraft can fly like an airplane and land like a helicopter.
Sent 9: The Army began developing the Osprey in 1982, though the program was nearly scrapped in 1989 when then-Secretary of Defense Dick Cheney sought to cancel it because of ballooning costs.
Sent 10: Questions were raised about the safety of the Osprey after two crashes, including one in 1992 at a Marine Corps air base in Virginia that killed the crew.
Sent 11: In late 2000, the Marine Corps grounded the Osprey fleet after two crashes -- one in Arizona that killed four crew members and 15 passengers, and another in North Carolina that killed the crew.
Sent 12: A redesign was ordered on the Osprey, and it resumed flights in 2002.
Sent 13: The Air Force began using Ospreys in 2008 after testing the aircraft in 2006.
Sent 14: They were first deployed by the Marines in Iraq in 2007 after 18 years and $20 billion in development.
Question: How long did it take the Air Force to use Ospreys after the Marines deployed them in Iraq?.
Example Output:
One year.