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:     Bob , what are you thinking about ?  
 Person2:  I'm looking forward to going to America .  
 Person1:      When do you go ?  
 Person2:  Next week . 

1