Definition: 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: Protesters in La Crosse blocked an exit and surrounded a State Patrol car carrying the governor and were beating on the windows and rocking the vehicle. When the car was extricated from the crowd, a truck blocked a second exit.

labor