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 a pin-up she is !  
 Person2:  Can you imagine she's over forty ?  
 Person1:      That's incredible ! She has such a sharp figure .  
 Person2:  Absolutely.She ' s a teacher of aerobics . 

0