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:     Hi , Mark , did you catch the game last night ?  
 Person2:  No , I was out . Was it worth watching ?  
 Person1:      You didn ’ t hear ? Spain won , two to zero .  
 Person2:  Oh , really ? So , Spain is through to the next round ?  
 Person1:      Yeah . The final is next week . You have to watch it . 

1