All human resources specialists are permanent employees. All personnel staff are human resources specialists. Based on the above information, which of these statements MUST be true? radio_button_unchecked Some permanent employees are not human resources specialists. radio_button_unchecked All permanent employees are human resources specialists. radio_button_unchecked Some personnel staff are not permanent employees. radio_button_unchecked All personnel staff are permanent employees. radio_button_unchecked No permanent employees are personnel staff