Problem: Given the question: David is interested in how electricity works. One day he had two electric charges to investigate, charge A and charge B - both of the charges were negative. He also had two electric fields, field C and field D. He noticed that electric charges were moving from field C to field D. Would field D have higher or lower potential energy than field C?
++++++++++++++++++++++++++++++++
The answer is:
lower

Problem: Given the question: Two coastal communities on two neighboring gulfs took different approaches to bringing more money into the local economy. Davin village continued with commercial fishing and agriculture, while the village of Forx decided to mine sand from the nearby dunes, because it was very profitable. They did not think about the effect it would have on the environment. Which village was less thoughtful about the environment?
++++++++++++++++++++++++++++++++
The answer is:
Forx

Problem: Given the question: 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 exposed fewer people to lung cancer?
++++++++++++++++++++++++++++++++
The answer is:
Leaf