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:     Where are you going this weekend ?  
 Person2:  I ’ m going to Hainan .  
 Person1:      Oh really ? It ’ ll be nice and warm there . Have you been there before ?  
 Person2:  Yes , actually it ’ s my second visit . I was there last October .  
 Person1:      I see . What ’ s it like there ?  
 Person2:  Well , the life style is much more relaxed than here in the city . And the seafood is tastier !  
 Person1:      Well , have a great time ! 

1