public string Execute(IList <string> inputParameters)
        {
            string storyTitle         = inputParameters[0];
            string teamToAddStoryFor  = inputParameters[1];
            string boardToAddStoryFor = inputParameters[2];
            string storyPriority      = inputParameters[3];
            string storySize          = inputParameters[4];
            string storyStatus        = inputParameters[5];
            string storyAssignee      = inputParameters[6];
            var    storyDescription   = descriptionBuilder.BuildDescription(inputParameters, 7);

            //Validations
            var storyTypeForChecking = "Story Title";

            inputValidator.IsNullOrEmpty(storyTitle, storyTypeForChecking);

            var teamTypeForChecking = "Team Name";

            inputValidator.IsNullOrEmpty(teamToAddStoryFor, teamTypeForChecking);

            var boardTypeForChecking = "Board Name";

            inputValidator.IsNullOrEmpty(boardToAddStoryFor, boardTypeForChecking);

            inputValidator.ValdateItemTitleLength(storyTitle);

            inputValidator.ValdateItemDescriptionLength(storyDescription);

            businessLogicValidator.ValidateTeamExistance(allTeams, teamToAddStoryFor);

            businessLogicValidator.ValidateMemberExistance(allMembers, storyAssignee);

            businessLogicValidator.ValidateIfMemberNotInTeam(allTeams, teamToAddStoryFor, storyAssignee);

            businessLogicValidator.ValidateBoardExistanceInTeam(allTeams, boardToAddStoryFor, teamToAddStoryFor);

            businessLogicValidator.ValidateStoryExistanceInBoard(allTeams, boardToAddStoryFor, teamToAddStoryFor, storyTitle);

            //Operations

            var isPriorityEnumConvertable = Enum.TryParse(storyPriority, out Priority storyPriorityEnum);

            inputValidator.IsEnumConvertable(isPriorityEnumConvertable, "Priority");

            var isSizeEnumConvertable = Enum.TryParse(storySize, out Size storySizeEnum);

            inputValidator.IsEnumConvertable(isSizeEnumConvertable, "Size");

            var isStatusEnumConvertable = Enum.TryParse(storyStatus, out StoryStatus storyStatusEnum);

            inputValidator.IsEnumConvertable(isStatusEnumConvertable, "Status");

            IStory storyToAddToCollection = this.factory.CreateStory(storyTitle, storyDescription, storyPriorityEnum, storySizeEnum, storyStatusEnum, allMembers.AllMembersList[storyAssignee]);

            var indexOfBoardInSelectedTeam = allTeams.AllTeamsList[teamToAddStoryFor].Boards.FindIndex(boardIndex => boardIndex.Name == boardToAddStoryFor);

            boardOperations.AddWorkitemToBoard(allTeams.AllTeamsList[teamToAddStoryFor].Boards[indexOfBoardInSelectedTeam], storyToAddToCollection);

            var memberToPutHistoryFor = allTeams.AllTeamsList[teamToAddStoryFor].Members.First(member => member.Name == storyAssignee);

            memberOpertaions.AddWorkItemIdToMember(memberToPutHistoryFor, storyToAddToCollection.Id);

            var boardToPutHistoryFor = allTeams.AllTeamsList[teamToAddStoryFor].Boards[indexOfBoardInSelectedTeam];
            var teamToPutHistoryFor  = allTeams.AllTeamsList[teamToAddStoryFor];

            boardOperations.AddActivityHistoryToBoard(allTeams.AllTeamsList[teamToAddStoryFor].Boards[indexOfBoardInSelectedTeam], memberToPutHistoryFor, storyToAddToCollection);

            memberOpertaions.AddActivityHistoryToMember(memberToPutHistoryFor, storyToAddToCollection, teamToPutHistoryFor, boardToPutHistoryFor);

            return(string.Format(StoryCreated, storyTitle));
        }