Teacher:If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
Teacher: Now, understand the problem? Solve this instance: Excuse me , but is this dress on sale ? The dress was on sale yesterday . Are you sure ? I'd be happy to pay the sale price today . I'm so sorry , but rules are rules . OK , I'll just check out a few other stores . I'm sorry I couldn't help you .
Student:
No