answer: #Person2# thinks the optional course is terrible. #Person1# suggests taking a different course.
documents: #Person1#: You took an optional course this semester, didn't you? How's it going?
  #Person2#: Terrible! It seems like the more the professor talks, the less I understand.
  #Person1#: If I were you, I would take a different course. There are five optional courses, aren't there?