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:     Hello , what can I do for you ?  
 Person2:  I am looking for a host home .  
 Person1:      How long will you stay with the host family ?  
 Person2:  Well , at least half a year . Do I have to do my own grocery shopping ?  
 Person1:      Usually the host family prepares at least two meals a day for you .  
 Person2:  That is fine . 

1