Complex sentence: An Alabama law had required that each school day commence with a moment of "silent meditation or voluntary prayer", and a parent of a student sued the state, claiming that the law violated the Establishment Clause of the First Amendment.
Split into simpler sentences: An Alabama law had required that each school day commence with a moment of "silent meditation or voluntary prayer". A parent of a student sued the state, claiming that the law violated the Establishment Clause of the First Amendment.