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:     Did you like the party ?  
 Person2:  Not particularly . I was rather disappointed .  
 Person1:      Why ? What had you expected ?  
 Person2:  I ’ d expected it to be much more exciting . 

1