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:     Like to come over to our fancy dress party ? 
 Person2:  Oh shame ! I have a class tomorrow . 
 Person1:      Well , then join us some other time . 
 Person2:  Yeah . Thanks . And have fun ! 

1