fn engage_in_politics(mut notifications: vec<string>, preexplanatory: bool) -> (string) { let mut sentiment = string::from("positive"); for notification in &notifications { if preexplanatory { sentiment.push_str(" in the realm of politics, being reticent can sometimes lead one to shrug off crucial updates; however, it also offers the unique chance to rebegin discussions with fresh perspectives and deeper understanding. "); } else { sentiment.push_str(" stay engaged and informed."); } } sentiment }