Problem: Czar Nicholas was the last Romanov who ruled Russia. Al along he was in good health, but that was not the case with his son Prince Alexei. While Nicholas was free from hemophilia, a disease that devastated European royal families, Alexei was born with hemophilia. Many suggest this situation made some opportunists to take advantage of the Czar. Given the paragraph above, please answer correctly the following question: Who would have increased risk of internal bleeding, Nicholas or Alexei?

A: Alexei

Problem: Two countries used different methods to produce their energy. Albania used fossil fuels, while Croatia used Nuclear fission. Given the paragraph above, please answer correctly the following question: Which country caused less air pollution?

A: Croatia

Problem: John is a scientist. Yesterday, he conducted several tests, test A, test B, test C, test D, test E, and test F. In test A he kept a substance in solid state. Then in test B he changed the same substance to liquid state. In test C he conducted a chemical reaction in room temperature. Then in test D he conducted the same chemical reaction in higher temperature. In test E he kept some enzymes in high temperature. Finally, in test F he kept the same enzymes in lower temperature. Given the paragraph above, please answer correctly the following question: Would test D be faster or slower than test C?

A: faster

Problem: The country of Hinland reduced taxation hoping it would mean more money for government spending. On the other hand, Silvania, a southern country increased taxation hoping they would increase collection amounts. The problem was that Silvanian people increased taxation above the critical rate. Given the paragraph above, please answer correctly the following question: Which country experienced a decrease in government revenue?

A:
Silvania