classes:  lecturer. but the cause of boredom is probably because you do not understand the purpose of the subject after studying, so you do not want to study.  curriculum. but the cause of boredom is probably because you do not understand the purpose of the subject after studying, so you do not want to study.  facility. but the cause of boredom is probably because you do not understand the purpose of the subject after studying, so you do not want to study.  general. but the cause of boredom is probably because you do not understand the purpose of the subject after studying, so you do not want to study.