Detailed Instructions: If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
Problem:Did your eye doctor prescribe you contact lenses ?  No , I ’ d like to know something about contact lenses .  Oh , I see . We have both hard and soft contact lenses . They are very popular , but a little more expensive than ordinary glasses .  I have found I ’ m short-sighted recently . I need to wear glasses . As a student , it ’ s better for me to wear ordinary glasses instead of contact lenses .  We have many kinds of glasses here . Which frames do you like best ?  I think the square-shaped ones will be the best for me .  What about this pair ? They are the ' in ' things now in optical wear . Try them on .  They fit me very well . I like them .  Please go to receive optometry first over there . 
Solution:
Yes