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:     Well , my particular interest is collecting stamps , especially the rare ones . What about you ?  
 Person2:  I ’ m afraid that ’ s not my cup of tea . I just find skin-diving attracting .  
 Person1:      So have you ever been to the stamp display of the town ? 

1