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:     Do you have desserts ?  
 Person2:  Yes , we have many kinds of pies and puddings .  
 Person1:      Can you give us more information ?  
 Person2:  Sure . We have lemon pies , apple pies , coffee rum pies and ice cream .  
 Person1:      I would like to have the coffee rum pies . 

1