You are given a paragraph, a question and some answer options (associated with "A", "B", "C", "D", etc.) You need to list all the correct answer options with their associated letters (e.g. "A" can be a valid answer). Note that sometimes, more than one option can answer the question correctly and completely. In those cases, please generate all such options separated by a comma (e.g. "A, B" is a valid answer). Do not generate anything else apart from one or more of the following characters: 'A', 'B, 'C', 'D', etc.
Example: Paragraph- Sent 1: Obama was born on August 4, 1961, at Kapiʻolani Maternity & Gynecological Hospital in Honolulu, Hawaii.
Sent 2: He is the only President to have been born in Hawaii.
Sent 3: He was born to a white mother and a black father.
Sent 4: His mother, Ann Dunham (1942-1995), was born in Wichita, Kansas, of mostly English descent, with some German, Irish, Scottish, Swiss, and Welsh ancestry. Question: How old was Obama's mother when he was born? (A) teenager (B) in his 40s (C) mid 20s (D) almost twenty.
Example solution: D.
Example explanation: Obama was born in 1961. His mother was born in 1942 and 1961-1942=19. Therefore, "almost twenty" answers the question sufficiently.

Problem: Paragraph- Sent 1: The CIA's senior management saw problems with the armed Predator as well, problems that Clarke and even Black and Allen were inclined to minimize.
Sent 2: One (which also applied to reconnaissance flights) was money.
Sent 3: A Predator cost about $3 million.
Sent 4: If the CIA flew Predators for its own reconnaissance or covert action purposes, it might be able to borrow them from the Air Force, but it was not clear that the Air Force would bear the cost if a vehicle went down.
Sent 5: Deputy Secretary of Defense Wolfowitz took the position that the CIA should have to pay for it; the CIA disagreed.
Sent 6: Second, Tenet in particular questioned whether he, as Director of Central Intelligence, should operate an armed Predator."Sent 7: This was new ground,"he told us.
Sent 8: Tenet ticked off key questions: What is the chain of command?
Sent 9: Who takes the shot?
Sent 10: Are America's leaders comfortable with the CIA doing this, going outside of normal military command and control?
Sent 11: Charlie Allen told us that when these questions were discussed at the CIA, he and the Agency's executive director, A. B." Buzzy" Krongard, had said that either one of them would be happy to pull the trigger, but Tenet was appalled, telling them that they had no authority to do it, nor did he.
Sent 12: Third, the Hellfire warhead carried by the Predator needed work.
Sent 13: It had been built to hit tanks, not people.
Sent 14: It needed to be designed to explode in a different way, and even then had to be targeted with extreme precision.
Sent 15: In the configuration planned by the Air Force through mid-2001, the Predator's missile would not be able to hit a moving vehicle.
Sent 16: White House officials had seen the Predator video of the "man in white."Sent 17: On July 11, Hadley tried to hurry along preparation of the armed system.
Sent 18: He directed McLaughlin, Wolfowitz, and Joint Chiefs Vice Chairman Richard Myers to deploy Predators capable of being armed no later than September 1. 
Question: What problems did the senior management of the CIA see with the armed predator? (A) The CIA senior management saw three major problems one was money and the other was that no one in the CIA was actually qualified to operate the device, finally the weapon needed work to operate within the scope of the CIA (B) Money, and whether they should be operating this (C) CIA see with (D) Money, and time.

Solution: A, B.