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:     May I help you ? 
 Person2:  Hi , this is Sharon in Mr . Reynolds ’ s office . One of your delivery men picked up a package here about an hour ago . 
 Person1:      Yes , is there a problem ? Ma ’ am ? 
 Person2:  Well , it still hasn ’ t reached its destination . I wonder if you could track it down for us . Mr . Reynolds is a bit concerned . 

1