Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Casablanca, Morocco (CNN) -- Some protesters not satisfied with the Moroccan king's proposed constitutional reforms have called for a peaceful demonstration Sunday. "The national coordinators (of the movement) have called for a demonstration Sunday for a truly democratic constitution and a parliamentary monarchy," a member of the Rabat wing said Saturday. "The plan as proposed by the king yesterday, does not respond to our demands for a true separation of powers," he said Saturday. King Mohammed VI of Morocco declared sweeping reforms that will boost the power of the prime minister and take away some of his own. Morocco's revamped draft constitution will make officials more accountable, the parliament in Rabat more dynamic and will give the government greater powers, the 47-year-old king said in a nationally televised address.Some protesters will gather Sunday; others oppose ideaMoroccans will vote for the constitution in a referendum slated for July 1King Mohammed's role would be that of "citizen king"Mohammed says the constitution will guarantee independence of the judiciary 
 Question:But _ will remain a key power-broker in the security, military and religious fields, according to the draft.

King Mohammed