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: Says Bill Whites program to bring dropouts back to school was so successful that almost every city in our state has replicated it.

Output: education


Input: Consider Input: Had the online change of address been in place in 2008 an estimated 130,000 voters who cast provisional ballots could have changed their address online and voted a regular ballot.


Output: elections