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 Wei , what are you going to do this weekend ?  
 Person2:  I think I ’ ll stay in on Saturday and rest .  
 Person1:      Oh right ... How about Sunday ?  
 Person2:  Ah , I ’ m going to the pub to watch the football .  
 Person1:      Oh really ? I ’ ll come along with you if that ’ s ok .  
 Person2:  Sure , you ’ re more than welcome . I ’ m meeting everyone at three o ’ clock .  
 Person1:      Oh great , I ’ ll see you there ! 

1