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

Example Input: Sentence1: No, that's all the information I need. Thanks! Sentence2: You can reach them by phone at 01223312598. Anything else I can help with? Sentence3: Booking was successful. Reference number is : T212RFL5 . Sentence4: Yes, Gourmet Burger Kitchen has North American cuisine and is expensive. It is located in the City Centre. Sentence5: That sound perfect. Could I make a booking for 6 people? Sentence6: I need help finding a guesthouse to stay at. Sentence7: I'd like the east part of town please. Sentence8: Ok great, have a wonderful day! Sentence9: Do you know of a restaurant by the name of gourmet burger kitchen? Sentence10: Of course! What day and how many nights? Sentence11: can you tell me the phone number please Sentence12: Warkworth House is a great place. They are rated 4 stars, moderately priced and offer free parking and internet. Sentence13: How many days will you be staying? Sentence14: I have a number of different guesthouses available. Do you want to stay in a particular part of town? Sentence15: I'll be starting my stay on this coming Sunday. Sentence16: 5 nights please. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

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: thanks for all your help. You've been great. Have a nice day. Goodbye. Sentence2: The star rating is not important. Either of those will do. Can I just get the name of one and the address please? Sentence3: No thanks, can you help me find a nightclub to go to? Sentence4: I also need a taxi. Ill need to leave club salsa by 15:45 and go to bridge guest house. Sentence5: Great we have 33 places, do you have anything to narrow it down? Sentence6: No problem! Is that all I can help you with today? Sentence7: Somewhere in the south would be ideal. Sentence8: There are several nightclubs in the centre and one in the south. Are you looking for anything in particular? Sentence9: There are 2 guest houses in the south part of town both have parking and internet. Do you want a 4 or 3 star room? Sentence10: Bridge guest house is located at 151 hills road. Would you like to book? Sentence11: We have 15 moderate priced Guesthomes available that may suit your needs, is there a certain area or star rating you are interested in? Sentence12: i booked your taxi. there will be a black lexus coming for you. their phone number is 07229053145. Sentence13: I am looking for a place to stay. Sentence14: OKay that's perfect thanks so much. Sentence15: I'd like a moderately priced guesthouse. Sentence16: Yes, I recommend Club Salsa on 1 Station Road. It costs 5 pounds to get in. Sentence17: There are two: Aylebray Lodge Guest House and Bridge Guest House. Do either of those sound appealling? Sentence18: You're welcome. I hope you enjoy your trip. Sentence19: Not sure yet. Does either have free parking? I also need free wifi. Sentence20: No, can you recommend your favorite one? Sentence21: Thank you. I'll need the contact number and car type, please? Sentence22: Okay let me work on booking that for you! Question: Who has spoken the sentence 1? (A) User (B) System
Example Output:
Answer: (B) System