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

Example Input: Sentence1: I'm sorry, they don't have an opening at 12:00. Would you like to try a different time or day? Sentence2: Hi. I am trying to find some information on a restaurant called India House. Have you heard of it? Sentence3: I was able to book your table on Sunday at 11:00 for 1. The reference number is FRGW4OO2 . Sentence4: I'm so happy we could help you out today. Enjoy your meal in Cambridge! Sentence5: Great can you book a table for one person at 12:00 on sunday? Sentence6: India House serves Indian food in the west of town and is expensive. Their phone number is 0122346166. Can I help with anything else? Sentence7: Thanks. That covers it then! Sentence8: Sure, let's try for 11:00, same day. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I'm also looking for a train. It should depart Cambridge after 14:15 and arrive in Norwich on friday. Sentence2: I have a 3 star hotel and a 4 star hotel both in the centre. Would you like to book one of them? Sentence3: I'm looking for a hotel to stay at. I want it to be at least 2 stars and in the center of town. Sentence4: TR8314 departs Cambridge at 14:36 and arrives in Norwich at 15:55. Would you like me to book a ticket for you? Sentence5: 1 ticket on TR8314 has been booked. Your total is 17.6 GBP, which you can pay at the station. Your Reference number is : H0JS8RMF . Sentence6: I am not finding a 2 star in the centre. Are you sure there is not another type of hotel you would like? Sentence7: Do you have anything that is 2 star rated in the centre? Sentence8: YES PLEASE. FOR 1 PERSON. Sentence9: I have 2 options - one is cheap and one is expensive. Which price range would you prefer? Sentence10: Thank you for calling. Have a great day! Goodbye. Sentence11: I do need a place to stay, so are there any 4 star hotels available? Sentence12: we got none. can i help you with anything else? Sentence13: That is all I need. Sentence14: cheap will work. can you book it for Wednesday? 1 person, 2 nights. I'll need the reference number too. Sentence15: Thanks, that was all I needed today. Goodbye. Sentence16: I was able to book a room at Alexander bed and breakfast, your reference number is VWF48IZM . Is there anything else I can help with? Question: Who has spoken the sentence 12? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I have 4 places that have great indian food. I have 2 moderately priced ones and 2 expensive ones. Do you have a preference? Sentence2: Yes. 3 people at 13:45 on Sunday. Sentence3: That's all I need today. Sentence4: I have the cambridge artworks located at 5 greens road and has free entrance. Sentence5: Sure, how about pipasha restaurant? Sentence6: I can do that - I got you a white honda and the driver can be reached at 07397937480. Will that be all today? Sentence7: Thank you so much for calling. Ring us back if you need anything else. Goodbye. Sentence8: I have made that reservation and your reference number is H5PBYPD0 . Sentence9: Yes I can is there any type of food you're in the mood for and what area would you like? Sentence10: I would like an Indian place in the East of town. Sentence11: Are there any wonderful museums in town? I just need the address of one that you would suggest. Sentence12: I'm looking for a restaurant, can you help? Sentence13: cool I need a cab now and I need to get to the restaurant by the reservation time of course Sentence14: Yes, I'd like one in the moderate price range. Can you select one? Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System