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: No, I am all set. Thank you for all your help. Have a nice day. Sentence2: maybe you can suggest a place close to the area of south, I would appreciate that, thank you Sentence3: I need to find a place to stay while in Cambridge, I do not need it to have internet but I do need it to have free parking. Sentence4: Alright, can you get me a taxi that will take from from the hotel to the Varsity in time for my reservation? Sentence5: Yes let's try another restaurant. Sentence6: I don't have a preference. Sentence7: I am also looking for a restaurant in the same area. Preferably vegetarian food in the moderate price range. Sentence8: Can you try for 12:00? Sentence9: Thank you for using our service. You have a great trip! Sentence10: Yeah, I do. What about to the west? Sentence11: Ok. How about the Bridge Guest House. I'm happy to book that for you. I just need to know what day you'll be arriving. Sentence12: There are 4 hotels in the south with free wifi and parking. What star rating would you like? Sentence13: There are currently no hotels in the Cambridge area that have parking, is there another area close by that would work for you? Sentence14: I don't really care about the star rating. I just would like free wifi and would need to book for 3 nights for 6 people. Sentence15: Sure, can I please get a table on Sunday at 13:00 for 6 people at The Missing Sock? Sentence16: Yes, be on the lookout for for a white lexus. The contact number is 07672513904. May I help with anything else? Sentence17: The Varsity Restaurant is moderately priced, and serves international food, but I'm afraid it's not in the south, but rather the city centre. Would that be agreeable? Sentence18: Sure please book that fro me. Sentence19: I need the hotel to at least have free wifi. Can you accommodate? Sentence20: Okay. Is there one that serves International food? Sentence21: Booked for 12 at varsity restaurant, you reference number is SSRYQGZ2 . Your table will be reserved for 15 minutes. Sentence22: what price range are you looking for? Sentence23: There is nothing in the south. Do you really need parking? Sentence24: I cannot not book your reservation for the time you wanted, would you want another time or to try one of the other 2 restaurants? Sentence25: What are the preferences you have for the hotel? I cannot seem to find one fitting the criteria you have listed. Sentence26: I will be arriving Sunday. Sentence27: I'm sorry 12:00 is not available either, would you like to try another time or different restaurant possibly? Sentence28: All booked! The reference number is O59MRSHK . Sentence29: there are no vegetarian food restaurants. Sentence30: There are three locations that serve international cuisine. The Missing Sock, The Varsity Restaurant, and the Bloomsbury Restaurant. Are you interested in any of these? Question: Who has spoken the sentence 12? (A) User (B) System
Student:
Answer: (A) User