* @return attackRelation - the attack relation
	 */
	public static Map<Argument, ArrayList<Argument>> populateAttacks(ArrayList<Argument> argumentList){	
			Map<Argument, ArrayList<Argument>> attackRelation = new HashMap<Argument, ArrayList<Argument>>();
			for(Argument arg: argumentList){
				for(Argument attackedArg: arg.argumentsIamAttacking){
					// a knowledge base does not have to know all attack relations
					if(argumentList.contains(attackedArg)){
							if(attackRelation.containsKey(attackedArg)){
								Host.includeElement(attackRelation, attackedArg, arg);
							}
							else{
								Host.includeFirstElement(attackRelation, attackedArg, arg);
							}
					}
				}
			}
		return attackRelation;
	}