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 ?  
 Person2:  Hi , Kathy . Have you had lunch ?  
 Person1:      Not yet . And I ’ m really hungry now .  
 Person2:  I ’ m starving , too . There is a new Chinese restaurant close by . Do you want to go there for lunch ?  
 Person1:      Why not ?  
 Person2:  It ’ s my treat this time .  
 Person1:      Thanks . I could eat a cow . 

0