Teacher:You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Thank you. Goodbye. Sentence2: Restaurant alimentum serves modern european food, and peking restaurant serves chinese. Sentence3: Yes. What kind of food do they serve? Sentence4: Peking Restaurant's phone number is 01223 354755. Is there anything else I can help you with? Sentence5: Thank you for using the Cambridge restaurant system. Goodbye. Sentence6: Could you please help me find an expensive restaurant in the south part of town? Sentence7: Both the restaurant alimentum and the peking restaurant are expensive restaraunts in the south part of town. Would you like their phone numbers? Sentence8: Could you please give me the phone number of whichever one you like better? Question: Who has spoken the sentence 6? (A) User (B) System
Student:
Answer: (A) User