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:     Smith is always careless , it is his Achilles ’ s heel .  
 Person2:  He would get very angry if anyone criticized him .  
 Person1:      He will burn his fingers .  
 Person2:  If only he knew it . 

0