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:     Where is John ? I can't find him anywhere .  
 Person2:  Haven't you heard that he is in prison ?  
 Person1:      What ? Beg your pardon .  
 Person2:  John is in prison now . He was copped outstealing .  
 Person1:      I just cann't believe my ears ! 

1