input: Please answer the following: Two engineering students learned about petroleum products, While Dan learned more about plastics, Jim learned about fuels.  Which student learned less about fuels for trains?
++++++++++
output: Dan


input: Please answer the following: Tree city and Leaf city were the two biggest cities in Boulderland. Tree city burned lots of gas and other fossil fuels, while Leaf city was very protective towards its environment.  Which city caused less air pollution?
++++++++++
output: Leaf


input: Please answer the following: Two villages were situated on different sides of the hill. Each village has its own approach to agriculture. East village decided to clear the land, by felling many trees and bushes, and set up a vast irrigation system. West village too a more natural approach to food production and applied the edible forest method, and all the permaculture principles over the years.  Which village's soil had fewer mobilized salts?
++++++++++
output: West


input: Please answer the following: Two countries situated at different latitudes are exposed to climate change. Iceland is located closer to the North Pole, while Ecuador is located near the Equator.  Which country will feel the effects of climate change more drastically?
++++++++++
output:
Iceland