private static Relation initialisationResponsable(){

		Relation relation = new Relation(PROFESSEURS, OPTIONS);

		for(Elt option : OPTIONS){

			Ensemble lesCours = COMPREND.imageDirecte(option);
			int[] influence = new int[NB_INDIV+1];
			for(Elt cours : lesCours){
				Ensemble ects1 = ECTS.imageDirecte(cours);
				int ects = ects1.unElement().val();
				Ensemble profs = INTERV.imageReciproque(cours);

				for(Elt prof : profs){
					influence[prof.val()] += ects;
				}

			}

			Ensemble responsable = new Ensemble();
			int temp = 0;
			for (int i = 1; i < influence.length; i++) {
				if(influence[i] > temp){
					responsable = new Ensemble();
					responsable.ajouter(new Elt(i));
					temp = influence[i];
				}else if(influence[i] == temp){
					responsable.ajouter(new Elt(i));
				}
			}

			for(Elt elt : responsable){
				System.out.println(elt);
				relation.ajouter(new Couple(elt, option));
			}
			System.out.println("");

		}

		return relation;

	}