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:     What dances do you like ?  
 Person2:  I love to dance the fast music .  
 Person1:      Then you must be interested in disco .  
 Person2:  Yes , it's my favorite .  
 Person1:      Oh , it's a disco . Let's dance .  
 Person2:  You're a good dancer .  
 Person1:      Thank you . Now they are playing a rumba . Would you have a try ?  
 Person2:  Sorry . I feel like sitting out the next dance .  
 Person1:      OK . Let's get something to drink .  
 Person2:  Good idea . 

1