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:     Excuse me , are you American ? 
 Person2:  No . 
 Person1:      Do you speak English ? 
 Person2:  A little , but not very well . 
 Person1:      How long have you been here ? 
 Person2:  2 months . 
 Person1:      What do you do for work ? 
 Person2:  I'm a student . How about you ? 
 Person1:      I'm a student too . 

1