In this task, you are given a statement spoken by a politician in natural language. Your task is to generate the subject of the discussion for the given statement. The subject generated is not necessarily a part of the given input. Your answer should contain one or more words.

Input: Consider Input: Cincinnati is already one of the biggest cities in the country to run 100 percent on clean energy.

Output: energy


Input: Consider Input: For his first interview as president, Barack Obama chose Arab TV for an apology.

Output: foreign-policy


Input: Consider Input: When Congressman Langevin took office, gas was around $1.70 per gallon, and now it is near $4 per gallon.


Output: energy