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:     Excuse me , can you suggest a good book for me to read ? 
 Person2:  Yes , they are all on the shelf . 
 Person1:      Do you have an English-Chinese dictionary ? 
 Person2:  Yes . Here you are . 

0