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:     Haven't seen you for a long time 
 Person2:  I've been away on a vacation . 
 Person1:      I bet you had a wonderful time 
 Person2:  Yeah , beautiful sunshine , pleasant scenery and many new friends 
 Person1:      Sounds great 

0