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 is he ? 
 Person2:  Not very well . He was white about the gills . 
 Person1:      Did he see the doctor ? 
 Person2:  Yeah , but he refused to take the medicine . 
 Person1:      Why ? 
 Person2:  I don't know the reason . 

1