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:     Operator , can you give me any information on the call I just received ?  
 Person2:  I don ’ t know who placed the call . However , the call was from Toronto .  
 Person1:      Can you tell me the calling number , please ?  
 Person2:  Sure . 416-790-1256 .  
 Person1:      Thank you .  
 Person2:  You ’ re welcome . 

0