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:     How old are you , Su ? 
 Person2:  I am seven . 
 Person1:      I see , you have seven candles on the cake . 
 Person2:  Yes , I am seven . I am a big girl now . 
 Person1:      We will have a party here , right ? 
 Person2:  Yes , come on , and we will have fun . 

1