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 kind of sport do you often do ?  
 Person2:  I go jogging , how about you ?  
 Person1:      I used to swim a lot , but now I'm taking gym classes .  
 Person2:  Oh , that's fantastic ! 

1