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:     Which season do you like best ?  
 Person2:  I like spring .  
 Person1:      Why ?  
 Person2:  Oh , everything comes back to life in spring and the weather gets warmer .  
 Person1:      I like spring , too.We can go for a walk and enjoy the fresh air . 

1