whalewatcherapp.startsession(userpreferences => { userpreferences.setpreference("topic", "cloistered whales"); var advice = "to avoid missing out on these magnificent creatures, it is preliminary advice to start from the outset with guided tours"; var options = new list<string> { "virtual tours", "documentaries", "conservation talks" }; foreach (var option in options) { console.writeline($"explore {option} to learn more about cloistered whales."); } });