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:     You ’ re home late today , David . How was school ? 
 Person2:  Not bad . There ’ s a new English teacher . 
 Person1:      Oh , what ’ s she like ? 
 Person2:  She is beautiful . 
 Person1:      Is she old or young ? 
 Person2:  She is quite young and her hair is blond . 
 Person1:      Is she strict ? 
 Person2:  Not really . Her eyes are blue . 
 Person1:      Can she speak Chinese ? 
 Person2:  Not much . She is very tall and slim . 
 Person1:      David , stop dreaming . It ’ s time to do your homework . 

1