preferred_name: I have to work really hard to pay attention or I make mistakes in past 4W - frequency
preferred_name_lc: i have to work really hard to pay attention or i make mistakes in past 4w - frequency
label: I have to work really hard to pay attention or I make mistakes in past 4W - frequency
label_lc: i have to work really hard to pay attention or i make mistakes in past 4w - frequency