TASK DEFINITION: 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.
PROBLEM: Paragraph- Sent 1: Convicted murderer Seth Baxter awakens chained to a table beneath a pendulum blade .
Sent 2: A videotape informs him that crushing his hands between the presses will release him ; he does so , but the blade still swings down and violently cuts him in half , while someone watches through a hole in the wall .
Sent 3: The scene cuts to Agent Peter Strahm , who kills Jeff Denlon in self-defense and is sealed in the sickroom .
Sent 4: He finds a hidden passage with a tape recorder that warns him to stay in the sickroom , but ignores it .
Sent 5: He is attacked by a pig-masked figure in the passage and awakens with his head sealed in a box slowly filling with water , Which he survives by performing a tracheotomy using a pen .
Sent 6: Outside the plant , Detective Mark Hoffman delivers Corbett Denlon to the police and claims they are the only survivors , and is shocked when Strahm is brought out alive as well .
Sent 7: Jill Tuck is met by John Kramer's attorney , who is administering his will .
Sent 8: She is left a box and a videotape , in Which John stresses the importance of the box's contents .
Sent 9: She opens it with a key hung around her neck and then leaves without disclosing its contents .
Sent 10: In a memorial service held for David Tapp , Steven Sing , Allison Kerry , Eric Matthews , and Daniel Rigg , the five officers killed in action , Hoffman is promoted to detective lieutenant .
Sent 11: He is informed of the death of Agent Lindsey Perez while taking Strahm's phone and goes to the hospital to meet Strahm , who says that Hoffman's name was Perez's last words .
Question: What is the name of the convicted murderer? (A) David Tapp (B) Eric Matthews (C) Seth Baxter.

SOLUTION: C.

PROBLEM: Paragraph- Sent 1: Speed is an important aspect of motion.
Sent 2: It is a measure of how fast or slow something moves.
Sent 3: To determine speed you must know two things.
Sent 4: First, you must know how far something travels.
Sent 5: Second, you need to know how long it takes to travel that far.
Sent 6: Speed can be calculated using this formula: speed = distance time A familiar example is the speed of a car.
Sent 7: In the U.S., this is usually expressed in miles per hour.
Sent 8: Think about a trip you and your family made in the car.
Sent 9: Maybe the trip covered 120 miles and it took 3 hours.
Sent 10: What was the cars speed?
Sent 11: speed = 120 mi = 40 mi/h 3h The speed of a car may also be expressed in kilometers per hour (km/h).
Sent 12: The SI unit for speed is meters per second (m/s).
Sent 13: This is the unit of measure a scientist would use.
Question: What is speed? (A) How long it takes to travel that far (B) Speed is an important aspect of motion (C) The measure of gravity against time (D) It is a measure of how far something is (E) Gravitational pull (F) When something moves (G) A force of gravity (H) How far something travels (I) An aspect of motion, it is the measure of how slow or fast something travels (J) How quick something moves in space (K) It is a measure of how fast or slow something moves (L) A measure of how fast or slow something moves (M) The measure of motion (N) An aspect of motion; a measure of how fast or slow an object moves.

SOLUTION: B, I, K, L, N.

PROBLEM: Paragraph- Sent 1: On a busy Friday morning in Manhattan, nine pedestrians suffered bullet or fragment wounds after police unleashed a hail of gunfire at a man wielding a .45 caliber pistol who had just killed a former co-worker.
Sent 2: The officers unloaded 16 rounds in the shadow of the Empire State Building at a disgruntled former apparel designer, killing him after he engaged in a gunbattle with police, authorities said.
Sent 3: Three passersby sustained direct gunshot wounds, while the remaining six were hit by fragments, according to New York Police Commissioner Ray Kelly.
Sent 4: All injuries were caused by police, he said Saturday.
Sent 5: One officer shot nine rounds and another shot seven.
Sent 6: Police identified the gunman as Jeffrey Johnson, 58, who was apparently laid off from his job as a designer of women's accessories at Hazan Import Co. last year.
Sent 7: Johnson, who served in the U.S. Coast Guard in the mid-1970s, had two rounds left in his pistol.
Sent 8: It holds eight, Kelly said.
Sent 9: Police identified the slain co-worker as Steven Ercolino, 41, who had apparently filed a prior complaint against his assailant, claiming that he thought Johnson would eventually try to kill him.
Sent 10: Both men had filed harassment complaints against each other in April 2011, Kelly added.
Sent 11: Ercolino was listed as a vice president of sales at Hazan Import Corp., according to his LinkedIn profile.
Sent 12: "It's not something that should happen to a loving person like that," said his brother, Paul.
Sent 13: "He's going to be so missed by everybody.
Sent 14: He was a light of so many lives.".
Question: How many years older was Jeffrey Johnson than Steven Ercolino? (A) Seventeen (B) Twenty (C) 17 (D) 20 (E) 18.

SOLUTION:
A, C.