classes:  lecturer. However, the way to answer the problems with students is disrespectful, sometimes not answering but using inappropriate words as a lecturer to support the learning of students.  curriculum. However, the way to answer the problems with students is disrespectful, sometimes not answering but using inappropriate words as a lecturer to support the learning of students.  facility. However, the way to answer the problems with students is disrespectful, sometimes not answering but using inappropriate words as a lecturer to support the learning of students.  general. However, the way to answer the problems with students is disrespectful, sometimes not answering but using inappropriate words as a lecturer to support the learning of students.