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.

Example input: Says the Annies List political group supports third-trimester abortions on demand.
Example output: abortion
Example explanation: It's a correct subject of the statement because it talks about a political group supporting demans of abortions.
Q: Live cats have holes drilled into their skulls, posts put into their heads and coils put into their eyes, and some have had their ears cut off or are intentionally deafened or starved at UW-Madison labs that do research to improve hearing in humans.
A:
animals