like: Was your exam di cult? — No, it was easy. → →
569
Was your exam di cult? — No, it was easy. ☊ 
Bài thi có khó không? - Không, bài dễ. ☊ Was your exam di cult? — No, it was easy. ☊ Bài thi có khó không? - Không, bài dễ. ☊