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's the building work going ?  
 Person2:  Well , I'm afraid we've had a slight delay .  
 Person1:      What's the problem ? We really can't have any delays at this stage . We're working to a really tight schedule and we're already over budget .  
 Person2:  The cement arrived late but don't worry , I'm confident we can still meet the deadline . The crew is on stand-by and as soon as the concrete has set we can get started again .  
 Person1:      OK . Keep me informed . Jt must be ready on time . 

1