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.

Let me give you an example: Says the Annies List political group supports third-trimester abortions on demand.
The answer to this example can be: abortion
Here is why: It's a correct subject of the statement because it talks about a political group supporting demans of abortions.

OK. solve this:
Over the history of Austin, its always gotten more expensive.
Answer:
economy