Given the task definition and input, reply with output. In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.

passage: All other nations have some form of legislation meant to prevent the illegal trading of organs, whether by an outright ban or through legislation that limits how and by whom donations can be made. Many countries, including Belgium and France, use a system of presumed consent to increase the amount of legal organs available for transplant. . In the United States, federal law prohibits the sale of organs; however, the government has created initiatives to encourage organ gifting and to compensate those who freely donate their organs. In 2004, the state of Wisconsin began providing tax deductions to living donors.
question: is it illegal to buy organs in the us?
Yes