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 large is the plant ?  
 Person2:  It covers an area of 75,000 square meters .  
 Person1:      It ’ s much larger than I expected . When was the plant set up ?  
 Person2:  In the early 70s . We ’ ll soon be celebrating the 30th anniversary .  
 Person1:      Congratulations !  
 Person2:  Thank you .  
 Person1:      How many employees do you have in this plant ?  
 Person2:  500 . We ’ re running on three shifts .  
 Person1:      Does the plant work with everything from the raw material to the finished product ?  
 Person2:  Our associates specializing in these fields make some access - ries . Well , here we ’ re at the production shop . Shall we start with the assembly line ?  
 Person1:      That ’ s fine . 

1