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 , Lily .  
 Person2:  Hello , Mr . Clark . You ’ re early for lunch . It ’ s only eleven o ’ clock .  
 Person1:      When I come late , there ’ s usually nothing left .  
 Person2:  What would you like today ?  
 Person1:      I ’ ll have the leg of lamb .  
 Person2:  And would you like salad ? The salad plate today is lettuce , tomatoes , and black olives . 

0