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 , Tom ! Do you have plans for this evening ?  
 Person2:  Nothing special .  
 Person1:      How about having dinner with me ?  
 Person2:  That's great . I would love to . And when ?  
 Person1:      Let ’ s fix it at seven o'clock , OK ?  
 Person2:  No problem . However , maybe I should come early to help you prepare the dinner .  
 Person1:      Don ’ t worry . I will arrange everything .  
 Person2:  All right , see you tonight .  
 Person1:      See you . 

1