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:     Who is the next one ?  
 Person2:  It's Peter's turn .  
 Person1:      Give the mike to him .  
 Person2:  OK .  
 Person1:      Be quiet . He is singing .  
 Person2:  I thought he only liked to listen !  
 Person1:      So did I .  
 Person2:  He has a really good voice !  
 Person1:      Yes , he sings wonderfully . 

1