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.

Q: Paragraph- Sent 1: LONDON, England (CNN) -- British filmmaker, screenwriter and playwright, Mike Leigh has been in the movie business for over 35 years.
Sent 2: Leigh on screenwriting: "I don't make a conventional screenplay ... it's a whole organic process."Sent 3: In that time, he has been nominated for five Oscars, as well as winning the Best Director award at Cannes Film Festival for "Naked" in 1993, the Palme d'Or there for "Secrets & Lies" in 1996 and the Leono d'Oro at Venice Film Festival in 2004 for "Vera Drake."Sent 4: Famous for his fierce independence (read refusal to work in Hollywood), Leigh's work is known for gritty realism and a focus on underprivileged sections of British society.
Sent 5: Another of Leigh's calling cards is an unconventional approach to screenwriting.
Sent 6: "The Screening Room" caught up with the veteran director at the International Screenwriters' Festival in the UK earlier this year to ask him more about his approach to making films.
Sent 7: The Screening Room: Why is this festival so important to you?
Sent 8: Mike Leigh: I am a filmmaker who is both a writer and director and I have this way of making films where the writing and the actors and the shooting is all combined together.
Sent 9: I don't make a conventional screenplay ... it's a whole organic process.
Sent 10: TSR: What do you think other scriptwriters can learn from you?
Sent 11: ML: I think screenwriters who, because of the politics and economics of the film industry, are forced to work in a much more conventional way, are always fascinated to discuss with me how I work.
Sent 12: TSR: There is this romantic idea that screenwriting has to be a painful, solitary experience.
Sent 13: That's not what you experience, though. 
Question: Was Mike Leigh an Academy Award-nominated screenwriter?.

A: Yes, for the film "Naked" in 1993.
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Q: Paragraph- Sent 1: When you get sick, your body springs to action.
Sent 2: Your body starts to fight the illness.
Sent 3: Thats why you want to eat right and get plenty of sleep.
Sent 4: You need a strong immune system to fight off illness.
Sent 5: Plants dont have an immune system.
Sent 6: That does not mean they do not get sick.
Sent 7: Plants are affected by disease just like us.
Sent 8: Typically, their first line of defense is the death of part of the plant.
Sent 9: This prevents the infection from spreading.
Sent 10: Many plants also produce special chemicals to fight disease.
Sent 11: For example, willow trees produce a chemical to kill the bacteria.
Sent 12: The same compound is used in many acne products.
Sent 13: You can see a picture of a willow tree in Figure Plants may be smarter than we think.
Sent 14: No, they cannot talk to each other.
Sent 15: They may be able to send messages, though. 
Question: Why might people who use acne products appreciate Willow trees?.

A: The chemical that willow trees produce to kill bacteria is also a compound used in many acne products.
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Q: 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: Who were the first humans to walk on the moon?.

A:
Edwin E. Aldrin Jr.
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