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:     What do you think of the former champ ?  
 Person2:  There were some bad misses in his defence , so he lost it .  
 Person1:      No champion can remain at the top for ever .  
 Person2:  I suppose he's not in top form . 

1