"Interrogator": "What did the professor want Fitz to do and how did he respond to it?", 
"Interrogee": "So, the professor wanted Fitz to join him under, in the university as his assistant. And he said that if you join under me, you can someday be a professor also. Fitz was also really happy to join, and he wanted to join as well. But the police department, who used to work for the police department, were not accepting his resignation. So he wasn't able to join at the university. So, he was telling the professor, "When I get my resignation, I will join under.""