Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     Your house is too small . Why not buy a big one .  
 Person2:  I do wish I could afford one .  
 Person1:      You can get a loan from the bank . You know LPF program provides low cost loans for participants home purchases .  
 Person2:  Of course I know that . But don't you notice that the house price is skyrocketing ? 

1