Problem: John is a geologist. He was trying to figure out how the Earth's inner core is made. To that end, he compared earth's physical characteristics to available items. First he took a sample of surface rock, which he labeled as item B. Then he took a sphere of constant density, which he labeled as item C. Finally, he labeled the Earth as item A. Would item A have higher or lower moment of inertia than item C?

A: lower
Problem: Given the question: There is a long history of martial arts competition in Fujian Province of China. Interestingly, one can also place bets on competitors. David is a martial arts enthusiast, watching every martial arts movie he can find. This year David and his friend John is visiting the Fujian Province to see the martial arts competition. There are two rounds of competition, round A and round B. Round A competitors would display southern Chinese martial arts while round B competitors would display northern Chinese martial arts. If David bets on seeing more hand techniques, which round would he pick?
++++++++++++++++++++++++++++++++
The answer is:
round A
input question: Grant and Fox were talking about flying to Hawaii for a tour of the islands. Grant was born on the Big Island, while Fox never visited Hawaii. Which friend lived farther from Kahoolawe island????
output answer: Fox
Stan moved from the US to Australia, and he still gets confused because of the seasons in the southern hemisphere and the fact that they use the same calendar as the rest of the world. Which month is colder in the northern hemisphere, August or February?
----
Answer: February
Q: Two friends were into natural sciences. Tom was more into Geology, while Rick studied Ecology. Which student read more about the flow of energy?
A: Rick
[Q]: Justin and Robert are brothers who recently went to the doctor for their yearly physical. They wanted to know if they had any future health risks. The doctor asked them about their health habits. Justin told the doctor that he has smoked regularly for a long time, while Robert mentioned that he has never smoked. Who has a higher risk of getting lung cancer?
****
[A]:
Justin