Percakapan asking and giving opinion tentang iklan

A: Hi guys! i watched new advertisement about cell phone "x". did you watch it too?
B: Yes, i watched. why? do you want to buy a new cell phone?
A: I dont think so, What's your opinion about the advertisement?
B: same as the other advertisements, isn't interest
A: I see, I agree with you, they must make a new interest advertisement to persuade public about their product