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:     How was Elvin ?  
 Person2:  Hey , look . My admirer has struck again .  
 Person1:      Another note ? But how ? I didn't see anyone !  
 Person2:  It's an e-mail . It says , We need to meet . I'll give you a sweet treat . It's not what you think .  
 Person1:      Uh-oh . He's heating up . What are you going to do now ?  
 Person2:  You know what , I think I know who my admirer is .  
 Person1:      You do ? Who ? 

1