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

Sentence1: Okay, great. Have a safe trip. Goodbye. Sentence2: Yes please. I need it booked for 1 person for 2 nights starting tuesday. Can i get a reference number? Sentence3: I have found the allenbell guesthouse. It meets all of your criteria, is in the cheap price range, and provides internet and parking. Would you like me to book it? Sentence4: Thank you, that is it for today. Goodbye. Sentence5: The reference number for your booking is KEBFTR7I . Can I do anything else for you? Sentence6: I need a place with rated 4 stars in the east. Can you help me find one that like a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: Great. Can you let me know the address and entrance fee? Sentence2: Is there a certain cuisine you are interested in eating? Sentence3: You are welcome. Thank you for using Cambridge TownInfo centre to plan your visit. Goodbye. Sentence4: There is not an expensive Austrian restaurant in the area. Is there another cuisine you'd like to try? Sentence5: How about cheap price range ? Sentence6: No, there are no places that serve Austrian food, anywhere. Sentence7: Thank you. That was all I needed today. Goodbye. Sentence8: Yes, I was hoping for Austrian food. Sentence9: Hello, I am interested in seeing the attractions on the west side of town. Can you assist me? Sentence10: No indian makes me get the runs. How about pizza? Sentence11: I'm afraid there aren't any Austrian restaurants in town at all, regardless of price. Is there anything else that could be acceptable? Sentence12: On the west side please Sentence13: Yes, Im looking for a nice high end expensive place to dine at in the same area. Sentence14: Clare hall is a college in the west part of town. Sentence15: Well, don't say I didn't warn you. We have 14 expensive Indian places in Cambridge, what side of town are you looking for? Sentence16: There are a few available but I suggest the Rice Boat. Would you like for me to book a table? Sentence17: The rice boat is located at 37 Newnham Road Newnham. Sentence18: The address is herschel road and it is free. Can I help you with anything else? Sentence19: do they serve austrian food? Sentence20: No, can you just give me the address, please? Sentence21: That's more information than I needed to know. I'm sure your supervisors wouldn't approve. I was looking for expensive indian food, please. Sentence22: What about an expensive Indian restaurant, then? Sentence23: How about an expensive indian restaurant in the west? Sentence24: there are 5 places in the west. if you want a suggestion, my friends always go to tandoori palace. Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: Is there anything else I can help you with Sentence2: Okay! What is your departure site? Sentence3: Okay, I've got you a black bmw with the contact number 07083984796. Sentence4: Thank you so much! Sentence5: I need to book a taxi to come pick me up by 10:30 to take me to Midsummer House Restaurant. Sentence6: I'm coming from city stop restaurant. Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System