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: Certainly. Queen's College is located on Silver Street, postcode cb39et. That phone number is 01223335511. Sentence2: They are mostly expensive and there is one that is moderately priced. Sentence3: Great that was all I needed today. Sentence4: Happy to be of service, and thanks for using the Cambridge TownInfo centre today! Sentence5: Can you book the moderate priced one for 4 people at 12:45 on monday? Sentence6: Sure, what area of town are you looking to visit? Sentence7: Is it moderately priced? Sentence8: Can you try an indian place instead? And something in the west. Sentence9: I have booked you a table at Meghna for Monday at 12:45 for 4 people. Your reference number is B2RNYUEG . Sentence10: I am also hungry Sentence11: I can help you with finding a restaurant. Do you have particular one in mind? Sentence12: Definitely the west. I'll need a phone number, address and postcode, please? Sentence13: There are six restaurants. would you like rice boat ? Sentence14: I was hoping to find a college to visit while in cambridge. Sentence15: Yes, I'd like to try some Polynesian food. Sentence16: I'm sorry there are no polynesian restaurants. Would you like a different type of food? Question: Who has spoken the sentence 12? (A) User (B) System
Student:
Answer: (A) User