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 do you think is the role teacher should play in the classroom ? 
 Person2:  Teachers are just directors who give scope to the students ' initiative and creativeness , instead of taking their rights away from speaking . 
 Person1:      What did you do to put it into practice ? 
 Person2:  I divided students into groups and asked them to generate their own ideas actively . It can help develop the problem-solving ability of the students . 

1