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:     He has a long head , I bet he will do well in his business . 
 Person2:  He does , he started five years ago and now ends up the richest among us . 
 Person1:      When we were students , he was no good in any subject . 
 Person2:  It seemed to be useless to study well when we were young if we examine his case . 

0