Вы были на семинаре по малому бизне

Вы были на семинаре по малому бизнесу,не так ли?
Да, был

Результаты (английский) 1:

Were you at the seminar on small business, isn't it?Yes, there was

Результаты (английский) 2:

You were at a seminar on small business, is not it?
Yes, I was