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:     Have any plans for the weekend , Tom ?  
 Person2:  Yeah , I ’ m going for a hike in the southern Rocky Mountains .  
 Person1:      Oh , do you go hiking often ?  
 Person2:  I go as much as I can . I love hiking because you can really get in touch with nature .  
 Person1:      It would be nice to get out of the city . Do you want some company ?  
 Person2:  Sure . But , it will be a long hike , 30 miles in three days . Have you been hiking before ?  
 Person1:      Yeah , I go a lot too . I saw a bear and a mountain lion on my last hike .  
 Person2:  Wow ! You must have been pretty far away from the city .  
 Person1:      Yeah , my friend and I hiked in a very wild part of the national forest .  
 Person2:  Well , bring him along too . We ’ ll have a great time this weekend .  
 Person1:      Thanks , I ’ ll ask him . 

1