(yes): Korean has a number of words for "yes".예 (ye) is highly polite and formal, appropriate in an interview;네 (ne) is polite but less formal, appropriate in a conversation with parents; and응 (eung) and어 (eo) are plain and non-formal, appropriate in a conversation with friends. Among the latter two,응 (eung) has a more strongly positive sense than어 (eo).