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 Martin . Have you been to any events yet ?  
 Person2:  Yes I have . I went to the table tennis yesterday .  
 Person1:      Oh wow . How was it ?  
 Person2:  Oh . It was great . I love Ma Lin . He ’ s my favourite table tennis player . Have you seen anything yet ?  
 Person1:      Oh I still haven ’ t managed to get any tickets . I ’ d love to see something though .  
 Person2:  Well , let ’ s go to the marathon tomorrow then ! We can just stand by the side of the road .  
 Person1:      What a great idea . 

1