Question: Blue island and Red island were two big sister islands situated 100 miles from each other. People on Blue island used gas powered vehicles, while people on Red island used electrical vehicles. The people on Blue island presented more respiratory problems. Given the paragraph above, please answer correctly the following question: Which island released more nitrogen oxides into the atmosphere?
Answer: Blue

Question: Rob is an environmental scientist. He was doing a study on agroforestry. To test the sustainability of agroforestry he conducted two pilot projects, pilot A and pilot B. In pilot A, he used a land for agrofroestry. In pilot B, he used a land for usual row-cropping. He needed to find the pros and cons of both systems. Given the paragraph above, please answer correctly the following question: Which project would have more soil cover, pilot A or pilot B?
Answer: pilot A

Question: The health inspectors reviewed data from two villages, Key and Auburn. Key village presented higher levels of both indoor and outdoor pollution. Given the paragraph above, please answer correctly the following question: Which village had a lower level of air pollutants?
Answer:
Auburn