M: very clear, can you tell me about, you know the best time ever to participate in non-primary airports and co-marketing activities, have you? <br>A: Yes.
M: Well, can you tell me again that you know the best non-co-operative marketing campaign you've ever been involved in with the main airport, yes?<br>A: Yes.
M: It's very clear. Can you tell me the best marketing activity you've ever participated in that you didn't cooperate with the main airport?<br>A: Yes.