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

Q: 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

A: Answer: (B) System
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Q: Sentence1: I have 5 choices for you. If I might suggest the Holy Trinity Church. It has the most unique architecture in our area. They also offer free admission. Sentence2: I will be visiting the centre. Sentence3: Like I mentioned, Holy Trinity Church is totally free. Is there anything else you'll be needing today? Sentence4: Sounds great. Do you happen to know the entrance fee for it? Sentence5: OK I HAVE 1 TRAINS THAT LEAVE AROUND THAT TIMES ONE AT 21:39 WOULD THAT WORK FOR YOU ? Sentence6: I need a train that lease from London Liverpool Street on Tuesday. Sentence7: Yes as long as it leaves AFTER 20:45 that will be fine. How much is it and how long is the travel time? Sentence8: There are 10 days departing London Liverpool Street on Tuesday. Is there a certain time of day you need to travel? Sentence9: No, I don't think so! Thank you for your help! Sentence10: How about architecture type instead? Sentence11: Thank you for using Cambridge TownInfo centre. Please remember us for all of your future travel needs. Sentence12: Which area are you interested in visiting in town? Sentence13: I would like to leave after 20:45. Sentence14: the train ride is 88 minutes and the cost is 16.60 pounds. it leaves at 21:39 and your reference number is Q6UN1GVR . is there anything else i may help you with? Sentence15: There is no entertainment in the centre. Would you be interested in a different type of attraction? Sentence16: I am looking for places to go in town. What type of entertainment is there in the centre? Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Your booking was successful. Your reference number is 1RIY72MY . Sentence2: great, that's all i need thanks Sentence3: I have 3 options available with free wifi in the centre of town. What is the price you are looking for? I have expensive to moderate available. Sentence4: friday if possible. let me get reference number Sentence5: Not even in the centre of town? Sentence6: Yes, that would be great. I'll need it for Friday, 3 nights, and 3 people, please? Sentence7: Sure. The address and phone number for La Mimosa is Thompsons Lane Fen Ditton/01223362525 and for Shiraz restaurant it is 84 Regent Street City Centre/01223307581. Sentence8: You're very welcome. Will you be needing a taxi? Sentence9: If you need any further assistance, please contact us. Sentence10: No but what is the address and phone number? Sentence11: The University Arms Hotel is in the centre and expensive, with WiFi. Would you like me to book that for you? Sentence12: Same price range as the restaurant please. Sentence13: Thanks. I also need to get a hotel with free wifi. Sentence14: No, my friends have a car. Sentence15: Which days would you like to stay? Sentence16: Sure, let's try Mediterranean, please? Sentence17: Sorry, not even in Centre. Is there a different type of cuisine you would like to try? Sentence18: No, I'm sorry there aren't any. Sentence19: shiraz restaurant and la mimosa are both in the center and seem to match your needs. Do you need a reservation? Sentence20: Can you let me know if Cambridge has any restaurants that serve Australian cuisine and are priced expensively? Question: Who has spoken the sentence 12? (A) User (B) System

A:
Answer: (A) User
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