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.

Paragraph- Sent 1: Timothy likes to play sports.
Sent 2: He spends his time after school playing basketball and baseball.
Sent 3: Sometimes Timothy pretends he is a famous baseball pitcher for his favorite team with his friends.
Sent 4: He plays with his friends Mandy and Andrew.
Sent 5: Timothy also plays pretend when he is alone.
Sent 6: He has an imaginary friend named Sean.
Sent 7: Sean is an elephant who watches television with Timothy.
Sent 8: Mandy likes playing baseball but she also likes to paint.
Sent 9: Mandy's favorite class at school is art.
Sent 10: She likes making pictures of flowers.
Sent 11: Her teacher says she is a good artist.
Sent 12: She painted a picture of a tree for her teacher.
Sent 13: There were red and yellow leaves on it.
Sent 14: It had apples on it.
Sent 15: When Andrew goes home after baseball, he likes to eat a snack.
Sent 16: He eats carrots and bananas.
Sent 17: If he is a good boy his mom, Mrs. Smith, sometimes gives him milk and cookies.
Sent 18: Afterwards, Andrew finishes his homework.
Question: What does the tree have on it that Mandy drew? (A) Red and Yellow leaves (B) Apples.
A, B.

Paragraph- Sent 1: If you have a mass of 50 kg on Earth, what is your weight in newtons?
Sent 2: An object with more mass is pulled by gravity with greater force.
Sent 3: Mass and weight are closely related.
Sent 4: However, the weight of an object can change if the force of gravity changes.
Sent 5: On Earth, the force of gravity is the same everywhere.
Sent 6: So how does the force of gravity change?
Sent 7: It doesnt if you stay on Earth.
Sent 8: What if we travel to another planet or moon in our solar system?
Sent 9: Look at the photo of astronaut Edwin E. Aldrin Jr. taken by fellow astronaut Neil Armstrong in the Figure.
Sent 10: They were the first humans to walk on the moon.
Sent 11: An astronaut weighs less on the moon than he would on Earth.
Sent 12: This is because the moons gravity is weaker than Earths.
Sent 13: The astronauts mass, on the other hand, did not change.
Sent 14: He still contained the same amount of matter on the moon as he did on Earth.
Sent 15: If the astronaut weighed 175 pounds on Earth, he would have weighed only 29 pounds on the moon.
Sent 16: If his mass on Earth was 80 kg, what would his mass have been on the moon?
Sent 17: [Figure 3].
Question: This unit of measurement can be used instead of pounds. What is it? (A) Kilograms (B) Newtons.
A, B.

Paragraph- Sent 1: Crew members ran for their lives when overhanging metalwork crashed onto a stage in a Toronto park Saturday afternoon, pinning and killing one man, authorities said.
Sent 2: The collapse happened around 4 p.m., one hour before spectators were set to begin streaming in for a concert by the alternative rock group Radiohead.
Sent 3: Several people were on the stage at the time, preparing for the show, when scaffolding-like material towering about 50 feet above collapsed.
Sent 4: "Unfortunately, four people were hurt," Toronto police Constable Tony Vella said.
Sent 5: "The remainder of the people, when they heard the stage coming (down), ran from the area."Sent 6: Firefighters arrived to find one man "trapped under the structure," said Toronto fire Platoon Chief Tony Bellavance.
Sent 7: They helped to extricate the man, then moved away from what was then still considered an "unstable structure," Bellavance added.
Sent 8: Paramedics, who happened to be at the scene in preparation for the concert, "immediately rendered aid," according to on-site Toronto Emergency Medical Services commander Peter Rotolo.
Sent 9: The victim -- who has not been identified, amid efforts to contact his next of kin -- was pronounced dead at the scene.
Sent 10: Police said he was in his 30s.
Sent 11: Another man who suffered serious injuries due to the collapse was transported to Toronto's Sunnybrook Hospital, Ian McClelland of the city's EMS department said.
Sent 12: The 45-year-old man suffered a head injury that isn't considered life-threatening, according to Toronto police.
Sent 13: Two other men with minor injuries were assessed and released, McClelland said.
Sent 14: Aerial footage afterward showed that some metal framing -- some of it covered in a blue material -- crumpled on the stage, which was in front of a large grassy area.
Sent 15: Some of the scaffolding-like material remained standing, reaching about 50 feet in the sky.
Sent 16: The stage was being set up especially for the Radiohead concert, Vella said.
Sent 17: At the time it came down, the weather was good with no storm rolling through or significant winds, added fellow police Constable Harrison Ford.
Question: How old was the man who was dead at the scene? (A) In his thirties (B) In his 30's (C) Younger than thirty (D) At least 50 (E) Between 30 and 40.
A, B.