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:     What are your working hours ? 
 Person2:  Eight to twelve in the morning , two to six in the afternoon . 
 Person1:      Much better than mine . 
 Person2:  What are your hours ? 
 Person1:      Mine aren't fixed . Sometimes I do the day shift , sometimes the night shift . 

1