Context: Dear teacher who said he does his job only for the money and tried to convince his students to do the same when they grow up , You 're wrong . There is nothing more beautiful than someone who believes he can do something to improve the rotten world we live in . Let us believe in mankind while we 're still young . Let us keep our ideals and think we can change something while we 're still sitting at the classroom , taking notes and talking like we know the world outside .

Question: What kind of person is the teacher ?
Options:
0. He 's still has hope for mankind .
1. He 's someone who is naived .
2. He 's jaded from all he 's seen and experienced .
3. None of the above choices .
Answer: 2