Task: Question Answering
Input (English): passage: United States lawful permanent residency, informally known as having a green card, is the immigration status of a person authorized to live and work in the United States of America permanently. Green cards are valid for 10 years for permanent residents, and 2 years for conditional permanent residents. After this period, the card must be renewed or replaced. The application process may take several years. An immigrant usually has to go through a three-step process to get permanent residency that includes petition and processing.
 question: are permanent residents allowed to work in the us?
Output (English): Yes