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:     Would you mind going to dinner with me tonight ?  
 Person2:  I'd love to go out with you , but I'm sorry I'm busy tonight , but I'd like a rain check .  
 Person1:      OK . 

0