Problem: Given the question: Mary's lake was full of fish, the lake's environment was very healthy. Mary stopped fishing on this lake five years ago and maintained it properly. Jane's lake had high fish mortality both from fishing and pollution, and disease from overstocking. Which lake had a lower fishing mortality?
++++++++++++++++++++++++++++++++
The answer is:
Mary's

Problem: Given the question: the two groups of students used yeasts in two different experiments: they baked bread using baker's yeast, and made beer, using brewer's yeast. They learned a lot about sugars and chemistry. the bread making experiment was more successful and appreciated.than the beer experiment. Which experiment was less successful and appreciated?
++++++++++++++++++++++++++++++++
The answer is:
the beer experiment

Problem: Given the question: Two countries had big rivers discharging in the same ocean. Finland was very aware of environmental pollution and acted accordingly, while Russian practiced conventional agriculture and used fertilizers. Which country caused less livestock waste to reach into the ocean?
++++++++++++++++++++++++++++++++
The answer is:
Finland