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 many people does your company employ ?  
 Person2:  We have over sixty employees . We have about forty factory workers and technical people and the rest are admin and sales staff . We started off with only ten people , so our workforce has grown a lot .  
 Person1:      What's your annual turnover ?  
 Person2:  It was just over two million euros last year . 

1