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:     Hello , this is Dr Cook's clinic.May I speak to Mr.Smith ?  
 Person2:  This is he .  
 Person1:      Dr Cook won't be able to see you at the time suggested.Could you make it a quarter to two ?  
 Person2:  All right . 

0