A: This is impossible! How can you accept such a proposal?
B: There's no other way. Believe it or not, he decided to sell his company.
A: I can't believe it. Really?
B: Sure!
M: this is impossible, how can you accept such proposal?
W: there is no other way, believe it or not, he decided to sell his company.
M: i can't believe it, really?
w: sure.