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:     Good Lord ! Look at that man .  
 Person2:  Yes ?  
 Person1:      He's swimming in the cold sea . He must be very strong .  
 Person2:  Sure he is . Winter swimming does good to health , I hear . 

0