⟩ What is your interaction level with your previous supervisor? What did he do right and what did he do wrong, according to you?
Basically, this question is aimed at finding out whether you are good with some kind of authority above you or whether you are someone who requires a mentor.
The best answer to this question is that you had a cordial relationship with your supervisor and that any differences you had were purely theoretical and in the end, what was best for the company won.