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: What day would you like to travel? Sentence2: Yes, go ahead and book either of those for 2 people and 3 nights beginning on Tuesday. Sentence3: Can you also recommend a three star hotel that has free wifi? Sentence4: Your booking at The Gonville coming in on Tuesday for 4 days 3 nights is confirmed for a party of 2. Your reference number is : 5GCUETMP . Anything else today? Sentence5: I need a train leaving from broxbourne. Sentence6: There are two. The Gonville Hotel and The Lensfield. Both also have free parking. Would you like me to book one for you? Sentence7: Booking was successful, the total fee is 17.89 GBP payable at the station .Reference number is : X1XG5K91 . Sentence8: I am happy to help! Goodbye, I hope your trip is lovely! Sentence9: Can you book it for me? Sentence10: No. That's it. Thank you for your help. Sentence11: I would recommend TR6788 which leaves Broxbourne at 19:32 and arrives in Cambridge at 20:32. Sentence12: I would like to travel on a Tuesday from Broxbourne to Cambridge after 19:15. Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: 4 people are in my party. Sentence2: Ok, I have booked your reservation at royal standard. Is there anything else I can help you with? Sentence3: I am looking for a train that is arriving by 13:00 and leaving on Monday. Sentence4: how many people will be in your party? Sentence5: The Royal Standard serves gastropub type food. Their address is 290 Mill Road City Centre and their phone is 01223247877. Sentence6: How much does a seat for the TR1213 on Monday cost? Sentence7: Thank you. Sentence8: Have I answered all your questions today? Sentence9: If you could book a reservation for Tuesday at 06:30 pm that would be most appreciated. Sentence10: Thank you for calling. Sentence11: Yes, that sounds great. Sentence12: Yes, I want to leave from Cambridge and I'm going to Broxbourne. Sentence13: Thank you very much for helping me get my reservations in order. Sentence14: Can you tell what kind of food the restaurant serves and their address and phone number. Sentence15: How about the TR1213? It matches your specifications and leaves at 9:01. I can book this train if you'd like. Sentence16: I can help you narrow your search if you give me your departure site and your destination? Sentence17: No, that will be all today. Thank you. Sentence18: You are quite welcome. Enjoy your meal and please let me know if you need assistance with reservations during your visit. Sentence19: 17.90 pounds is good enough. I'll go with that. Sentence20: There are several options with the criteria you provided. Do you have a preference on the type of food? Sentence21: No, please pick one for me and provide the phone number and address. Sentence22: The royal standard is a gastropub. It's located at 290 Mill Road City Centre, phone 01223247877. Would you like to make a reservation? Sentence23: I'll also need a day and time for the reservation. Sentence24: Thank you. I also need recommendations for an expensive restaurant in the east part of town. Question: Who has spoken the sentence 17? (A) User (B) System
Example Output:
Answer: (B) System