input: Please answer the following: Sand mining in the north coastal region was stopped 20 years ago, but it still continues to this day in the south region. Both fishing communities there are still prosperous, but the southern one had a couple of bad years, with fish and other marine wildlife becoming more scarce. The southern beach had erosion problems as well. The northern beach recovered, and is suitable for tourism. Which region has a less coral riffs?
++++++++++
output: southern
Please answer this: Bob was studying about Earth's atmosphere. He found that increased depletion of Earth's ozone layer is a relatively new phenomenon. Most scientists would blame the CFC gases for the depletion of ozone layer. In the early twentieth century ozone layer was relatively stable. Bob labeled that time as time A. But in the late twentieth century situation changed with seasonal depletion of ozone layer. He labeled that time as time B. Which time would see more phytoplankton, time A or time B?
++++++++
Answer: time A
Problem: Two twin sisters were taken to the doctor's office by their parents. It turned out that Mary had hemophilia while Ann didn't have any blood disease. Which sister had fewer clotting factors in the blood?

A: Mary
Problem: Given the question: Two villages experienced flooding this spring. Berg village used many sandbags to protect from the dam overflowing. Creek village didn't use any sandbags, they were caught by surprise. Which village was more affected by the dam overflowing?
++++++++++++++++++++++++++++++++
The answer is:
Creek
input question: Two friends had a discussion about the Earth and what this reality might be. Tim believed in the Gaia hypothesis, while Olly believed in the Panspermia theory. Which friend believed that the Earth tends to achieve a stable state????
output answer: Tim
input question: Two bears are living in the same forest. One bear, named Teddy, often runs and is active in its daily life. The other bear, Fluffy, is lazy and hardly moves at all. Their levels of fitness are very different with Teddy having a much higher overall fitness level than Fluffy. Which bear struggles more with getting food????
output answer:
Fluffy