Complex sentence: It vests in him or her the powers of the head of state and head of government; it provides for the appointment of a Cabinet by the President; and it provides for the accountability to Parliament of the President and Cabinet.
Split into simpler sentences: It vests in him or her the powers of the head of state and the head of government. It provides for the appointment of a Cabinet by the President, and for the accountability to Parliament of the President and Cabinet.