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:     How many rooms are you looking for ? 
 Person2:  Oh , four or five . How much is the rent for this apartment ? 
 Person1:      150 a month . 
 Person2:  150 ? No , I'm not really interested in this place . It isn't big enough . It isn't near enough to my office . 

1