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:     Oh ! I just want to drop in on him for a chat . 
 Person2:  Please come in , Mr.Jackson . 
 Person1:      No , thank you.Please tell him to phone me when he comes back . 

0