fn documentary_filmmaking()->string{let mut strategy="start from scratch".to_string();let mut focus="shut eyes to traditional methods,".to_string();let _comments="inject stealthy".to_string();let _preexportation="manipulate".to_string();loop{if focus.contains("traditional"){strategy.push_str(" and use preexportation insights to ");focus=focus.replacen("shut eyes to", &_preexportation, 1);}if _comments.contains("stealthy"){focus.push_str(" hoping to receive comments that expose the stealthy secrets within.");break;}}focus}