Complex sentence: From the start, this plate, made using Indiana's Specialty Plate Format, was especially controversial with the Indiana Civil Liberties Union (ICLU) which claims that it is a symbol of endorsement of a religion.
Split into simpler sentences: From the start, this plate, made using Indiana's specialty plate format, was especially controversial. The Indiana Civil Liberties Union (ICLU) claims that it is a symbol of endorsement of a religion.