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:     Helen , did you hear I ’ m having a party ? Next Saturday in my place . 
 Person2:  I may have something on that day , but thanks for inviting me . 
 Person1:      Well , drop by if you can . 
 Person2:  I will , do you want me to bring anything ? 
 Person1:      No , just bring yourself . I hope to see you there . 

1