Function channel_line 

fn channel_line(
    attention: &Attention,
    channel: Channel,
    person: Person,
    always: bool,
    id: &str,
) -> Option<String>

What a channel does with someone at each time, in sentences: “Their mail comes at once during work, admin, leisure and meals. It is shown without a notification during sleep, a pause and free time.” Then the layers, when they hold more. id: the sentence’s key, “attention-sheet-line” for someone, “attention-always-line” for Always through.