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:     Could you call Mr . Jacob for me , Sara ? I need to go over some stuff with him .  
 Person2:  Of course , Mr . Roberts . But , could you tell me his extension number again ? I haven ’ t got all the numbers down yet .  
 Person1:      Sure , it ’ s 4-8- 7-2 . Don ’ t worry . You ’ re doing a fine job .  
 Person2:  Thank you very much . Mr . Roberts . 

0