preferred_name: I feel sad, down in the dumps or unhappy in the last 2W or more
preferred_name_lc: i feel sad, down in the dumps or unhappy in the last 2w or more
label: I feel sad, down in the dumps or unhappy in the last 2 weeks or more
label_lc: i feel sad, down in the dumps or unhappy in the last 2 weeks or more