Problem: Bend village was located 20 miles away from Mound village. People in Bend village used gasoline powered vehicles, while Mound village used only electrical vehicles. Given the paragraph above, please answer correctly the following question: Which village emitted less carbon monoxide?

A: Mound

Problem: A chemist is working in the lab with two beakers, beaker R and beaker T, filled with identical solutions. In her experiment, she is going to pour one liquid into beaker R and the same amount of a different liquid into beaker T. After pouring the liquid into beaker R, there is no noticeable change. Pouring the liquid into beaker T, she observes a change in the liquid. Given the paragraph above, please answer correctly the following question: Which beaker had a reactant poured into it?

A: beaker T

Problem: Rob is an amateur astronomer. Recently, he detected four asteroids, asteroid A, asteroid B, asteroid C, and asteroid D. Asteroid A and asteroid B are of the same mass, but asteroid A is farther from the earth than asteroid B. Asteroid C and asteroid D are at the same distance form the earth, but asteroid C has more mass than asteroid D. He also figured out that all of these asteroids have less mass than earth. Given the paragraph above, please answer correctly the following question: In clssical theory, if Rob needs to find out the object with stronger gravitational pull, which one would he choose, earth or asteroid A?

A: earth

Problem: Medication A was tested on 1000 people for 3 years and cured Disease X in 80% of those trials. However, Medication B was tested on 50 patients and cured Disease X in 90% of those trials. Given the paragraph above, please answer correctly the following question: Which medication trial was more factorial, A or B?

A:
A