preferred_name: It is hard for me to find the right words to say what I mean in the past 4W
preferred_name_lc: it is hard for me to find the right words to say what i mean in the past 4w
label: It is hard for me to find the right words to say what I mean in the past 4W
label_lc: it is hard for me to find the right words to say what i mean in the past 4w