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:     Hi , do you know what ’ s for dinner ? I ’ m starving .  
 Person2:  We ’ re on our own tonight , dad ’ s taking mom out .  
 Person1:      Out ? What do you mean out ?  
 Person2:  You know on a date , they are going to dinner .  
 Person1:      Dad and mom ?  
 Person2:  Yeah , they said they ’ re reviving the old tradition .  
 Person1:      You mean this is going to be a regular thing ?  
 Person2:  That ’ s right , once a week . Do you want to order some pizza ? 

1