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

Sentence1: That was a successful booking, your reference number is T6C83P46 . Sentence2: Thank you so much! Sentence3: Not really. Anything would be fine. Sentence4: Yes, please. I'd like to book it for 6 people and 5 nights starting from monday. Sentence5: I'm not too concerned with location, but I would like it to include internet and have a 4 star rating please. Sentence6: Do you have a preferred location or price range? Sentence7: Yes, how about 3 nights? Sentence8: I recommend the Acorn Guest House. Would you like a room there? Sentence9: I'm looking for a guesthouse with free parking. Sentence10: Booking unsuccessful. Want to try for a shorter stay? Sentence11: There are 16 guesthouses that meet those requirements. Any preference on price range? Sentence12: You're so welcome. Thank you. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: I am sorry, but the Leverton House was not available for your party on Tuesday. Would you like me to look for another hotel? Sentence2: In what area would you like? Leverton is in the East, should the hotel be in the same area? Sentence3: Is there another hotel available in the same price range? Sentence4: Hi, I'm looking for a hotel called Leverton House. Sentence5: No, you said Leverton wasn't available. Please just book a different hotel in the same price range as Leverton. Thanks. Sentence6: I have booked you a room at the Alexander Bed and Breakfast at 56 Saint Barnabas Road. Your reference number is JGTE0KGB . Is there anything else today? Sentence7: No, I don't care about the area, just the price. Recommend me one? Sentence8: You're welcome. Good-bye. Sentence9: The Leverton House is a guesthouse in the east of the city. Their phone number is 01223292094. Sentence10: Yes Leverton is in the cheap price range. Would you like me to book it for you? Sentence11: Thank you. Please book a reservation for 6 people for 2 nights starting tuesday. Sentence12: That will be all, thank you. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: What about a Mexican food restaurant also in the south part of town? Sentence2: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 2RJ7AU7V . Is there anything else I can help you with? Sentence3: I'm sorry, I'm not finding a restaurant in the south that serves New Zealand food. Sentence4: I will try the Lovell lodge. Will you book a room for me starting on Monday for 3 nights, please? I am traveling alone. Sentence5: That will be all then, thank you. Sentence6: Thank you and enjoy your stay in Cambridge! Sentence7: Yes, there is Chiquito Restaurant Bar, which is an expensive Mexican place in the area. How does that sound? Sentence8: That sounds good. Please book a table for 1 people at 13:15 on Monday. Sentence9: I also need to book a hotel. It needs to have 2 star and be of a moderate range with free parking. Sentence10: I have two such entries. Both are hotels in the north. There is the ashley hotel and lovell lodge. Do you have a preference? Sentence11: I need to find a restaurant in the south to dine at that serves New Zealand food. Can you help? Sentence12: There is a known system glitch within dialogue systems where some things cannot be booked, the hotel can be reached at 01223425478, I apologize any other questions today? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User