You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Example Input: Sentence1: Yes. I need a hotel with free parking. I would like it in the moderate price range. Sentence2: I booked you a yellow volkswagen and their number is 07162096037 Sentence3: Thank you for correcting that. Can you book a taxi for me? I'd like to go from the Broughton House to the hotel, and leave by 5:30. Sentence4: No I don't care about the area, but I do want a hotel and not a guest house. Sentence5: There are 14 hotels that meet your criteria, do you have a preference in the area? Sentence6: That sounds interesting! May I have their phone number please? And what is the fee to get in? Sentence7: Ashley hotel is a hotel located in the north part of town and is in the moderate price range. It also offers free parking and internet. Does this suit you? Sentence8: There is a museum on 98 King Street named Broughton House Gallery. Sentence9: Okay great. Do not hesitate to call us if there is anything else you need. Sentence10: That sounds good, can you also provide me with the star rating for it? Thanks Sentence11: We have quite a few of those. Do you have any other preferences? Price range, perhaps? Sentence12: Great! I'm also looking for a place to go in the centre. Any suggestions for something fun? Sentence13: Yes, I am looking for a hotel in the moderate price range. Sentence14: I will also need a taxi to get me between the two places, the Ashley hotel and Broughton House. Sentence15: The Ashley Hotel is a 2 star hotel. Sentence16: I am sorry. There must have been a system glitch. The phone number for the broughton house gallery is 01223314960 and the entrance fee is free. Sentence17: Thank you! I have everything I need now. Sentence18: Yes, their number is 01223314960 and the entry fee is free Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thank you for using the Cambridge Town Info Centre Services. I hope you enjoy your time in Cambridge! Sentence2: is it in moderate price range? Sentence3: Do you have anything in the moderate price range? Sentence4: Most of our nightclubs are right in the center of town. Kambar is my favorite. Sentence5: No, thanks. Can you find a gastropub restaurant in the centre, please? Sentence6: it is an expensive gastropub Sentence7: Yes, there's the the cow pizza kitchen and bar. Sentence8: They're located on Corn Exchange Street. Would you like me to make a reservation for you? Sentence9: Awesome! Can you provide me with the address, entrance fee, and postcode, please? Sentence10: The address is 1 wheeler street cb23qb and admission is 5 pounds, would you like their phone number? Sentence11: I am looking for something fun to do while in town. A nightclub would be nice. Sentence12: What is their address? Sentence13: backstreet bistro is an expensive gastropub in the centre area. Would you like more information? Sentence14: No, I just need information for today. You have answered all of my questions. Thanks so much. Bye. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: We have four such places. Got a preference for area? Sentence2: The parkside pools is in the centre area, phone number 01223446100. Can I help you any further? Sentence3: No actually, that is just the information I needed. Thanks and have a good day. Sentence4: Not really, no. Any area will do. Can you recommend one and provide me the phone number? Sentence5: You're welcome. Have a great day! Sentence6: Hey there. Can you help me find a swimming pool here in the city? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output:
Answer: (B) System