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:     Do you have a copy of our service contract with Telecoms ? I'm not happy with their response time and I'd like to check the terms and conditions of the contract . 
 Person2:  Sure . I've got a copy here . It's due for renewal at the end of next month . We've still got time to look for another supplier if you're not happy . 

1