input question: Two countries are situated on the shores of the same sea. Turkey is a nation of farmers, they use conventional agricultural methods to produce food, including lots of fertilizers. Greece's economy is mostly based on tourism. Which country created less beach litter????
output answer: Turkey

input question: David is interested in how electricity works. One day he had two electric charges to investigate, charge A and charge B - both of the charges were negative. He also had two electric fields, field C and field D. He noticed that electric charges were moving from field C to field D. If charge A and charge B are close, would they repeal or attract each other????
output answer: repeal

input question: Scientists are finding more and more evidences of water in the outer space. Earth has mostly liquid water. But that's not the case with other celestial objects. Venus has some water, but it is in gaseous state. On the other hand, water in Jupiter's moon Europa is in frozen state. In which place the state of water is in lower density, Earth or Europa????
output answer: Europa

input question: A team of scientists studied two groups of mice. Group C was exposed to carcinogens, while group N was not. Which group of mice had fewer cells to divide out of control????
output answer:
group N