let journey = { start: "commence from the origin", case: "imperceptible changes in speed", observe: function(){ for(let i = 0; i < trains.length; i++){ if(trains[i].speedchange === "imperceptible"){ console.log("the beauty of our journey lies in the details often unnoticeable at first glance."); } } }, disclaimer: "all observations are based on data collected earlier and are subject to change."};