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:     Thank you very much for your invitation . 
 Person2:  It's a great honor to have you here , Mr.Brown . 
 Person1:      I'd like to say goodbye to you . 
 Person2:  I look forward to seeing you soon.Goodbye ! 

0