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:     Hi , Paulo . How are things going ?  
 Person2:  Everything's going very well . The first phase of the project was finished three days ahead of schedule . We're on target to complete phase two by the beginning of week 40 .  
 Person1:      That's good news . What stage are you at now ?  
 Person2:  Well , we've just finished laying the cabling and we're waiting for the safety inspector to give us the go-ahead to continue . I'm just going to meet him . Do you want to come ? 

1