Task: Question Answering
Input (English): passage: United States v. Carolene Products Company, 304 U.S. 144 (1938), was an April 25, 1938 decision by the United States Supreme Court. The case is famous for its ``Footnote Four'' in which the Court established the system of heightened scrutiny for laws targeting ``discrete and insular minorities,'' compared with the lower scrutiny applied for economic regulations, as in this case.
 question: footnote 4 of united states v. carolene products co. identifies areas where?
Output (English): No