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 , Tony . Fancy meeting you here . How are things going with you ?  
 Person2:  Not too bad , thanks . And you ?  
 Person1:      Pretty good ! How are your parents these days ?  
 Person2:  Oh , they are fine . They are enjoying their retirement .  
 Person1:      Oh , good . That's nice to hear . Well , I am going to a football match . I need to go .  
 Person2:  Say hi to your family for me .  
 Person1:      Thanks , I will , byebye ! 

1