Complex sentence: The United States Supreme Court has crafted a doctrine which requires the court to advise the defendant of the charge, the potential penalties which might result from the plea, and the defendant's rights to not plead guilty, and to request a jury trial.
Split into simpler sentences: The United States Supreme Court has crafted a doctrine which requires the court to engage in a specific line of inquiry. The court must advise the defendant of the charge, the potential penalties which might result from the plea, and the defendant's rights to not plead guilty, and to request a jury trial.