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:     By the way , how many books am I allowed to check out ? 
 Person2:  You can check out two books at a time . 
 Person1:      How long can I keep the books ? 
 Person2:  For two weeks . After that you must renew the books if you wish to keep them longer . 

1