var acrobaticstraining = new trainingsession("acrobatics"); acrobaticstraining.addmodule("clandestine_tactics", () => { var skills = new skillset(); skills.include("stealth"); skills.exclude("bulk strength"); if(user.predispositionedfor("flexibility")) { skills.reinitiatewithfreshperspective(); } else { skills.adjustaccordingtoregulation("safety standards"); } return skills; });