You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. Your task is to classify the conversation either convey 'No emotion' or 'Happiness' by providing '1' and '0', respectively.
Q:  Person1:      You'd better prepare for the examination .  
 Person2:  I don't think the exam will be very hard .  
 Person1:       You should change your attitude , or you will not pass the course .  
 Person2:  Maybe you're right . I have been too lazy lately . 
A: 
0