Detailed Instructions: If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
Q: Something's wrong with my computer .  Exactly what ?  All I get is a black screen .  What's the matter ?  I think I know , because this happened before .  What happened before ?  My hard drive crashed .  Oh , no . That's bad news .  It sure is , but I'm going to call HP first , just to make sure .  Will you lose all your files ?  No , I always back up my files .  You're smart . 
A:
No