var project = new aviationproject("revamp from scratch"); foreach (var guideline in preexistantguidelines) { if (guideline.theme.contains("duck")) continue; project.updateguidelines(guideline); } console.writeline("your project to revamp aviation systems from scratch, adhering to pre-existant guidelines while ensuring specific, withheld themes like 'duck' are not included, is set for a positive trajectory!");