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:     It's getting late . I'm afraid I have to leave.Thank you for a most wonderful evening .  
 Person2:  Don't mention it.Don ' t forget to take your daughter along next time .  
 Person1:      OK . 

0