Trigger words: working (2)
Indicator sentences: Oh, I thought you meant "working on my car" as in polishing it and keeping it in super condition as a hobby, not as in "occasional repairs".
Negotiation parts: it's probably not occasional repairs, he probably tools around with it even when there's no real problem.
Trigger words: genre (3) genres
Indicator sentences: Can you explain what exactly you mean by "genre"?
Negotiation parts: I thought at first you were referring to literary genres (like fantasy, crime etc.) but I guess you're using it in a more general sense.