If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No

[EX Q]: I would like to buy some local handcrafts as gifts to my friends and relatives .  There are many stores selling handcrafts in Paris . Our store is wellknown for vase , table wear and jewelry boxes . You can take your time and choose whatever you like .  Well , the tapestry is delicate and beautiful .  You have made an excellent choice , it is our newcomer . The tapestry is on hot sell with the design and quality . The design on it is traditional Paris architecture .  How much is it ?  100 frances .  Mmm , it is reasonable . Look at this set of table wear , it is so beautiful !  We have a piece of table clothing to go with it . It is a brocade one with pretty stars .  This silver vase is a good ornament for the living room .  You are right .  I will take the tapestry , the set of table wear and the vase .  OK . Do you like these candles ? They are on sale now .  All right . I will take one . 
[EX A]: Yes

[EX Q]: Do you take in students ? I've been told you might have a vacant room .  Yes . If you don't mind sharing room with someone else , there's one available .  How much are you asking ?  800 Yuan a month .  Could I have a look at it , please ?  Sorry , but I'm on my way out now . Could you come back in an hour ? 
[EX A]: No

[EX Q]: Hello . Excuse me . Do you know if there's a Commercial Bank around here ?  Yes , go straight along Beijing Road and turn right .  Straight on , and turn right . Is it far ?  No , it's just a couple of minutes .  Thanks very much .  You're welcome . 
[EX A]:
Yes

