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 .
Output:
1