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 doctor Thompson ?  
 Person2:  I feel confident of his ability to cure my daughter's disease .  
 Person1:      How can you be so sure ?  
 Person2:  I can tell from the way he spoke to us .  
 Person1:      Never believe his words . 

1