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

Sentence1: The address of Old Schools is Trinity Lane in the centre. Would you like more info? Sentence2: What kind of attractions are available in the centre? Sentence3: Could I get the address please? Sentence4: You're welcome! Enjoy your visit! Goodbye. Sentence5: How about any that are about architecture? Sentence6: Thank you that is all I needed. Sentence7: Yes, may I have the phone number and postcode? Also, is there an entrance fee? Sentence8: Are there any places that have multiple sports? Sentence9: There is the Holy Trinity Church on Market Street. It is free to get in. Sentence10: The phone number is 01223332320 and the entrance fee is free. The post code is cb21tt. Sentence11: Sorry there are no listings for multiple sports,can I check in another area? Sentence12: There are several. I like Old Schools on Trinity Lane. Great place to see. Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Thats all for today! Thanks so much! Sentence2: TR1039 departs from Ely at 13:35, arriving in Cambridge by 13:52. Does this work for you? Sentence3: Sounds great, can you book it for 7 people for 4 nights starting saturday? Sentence4: The location doesn't matter, but I'd like it to be 4 stars. Sentence5: Thank you I also need to find a cheap guesthouse to stay at. Can you help me find one? Sentence6: Hi, I'm looking for a train going to Ely from Cambridge. Sentence7: Have a nice day. Sentence8: Okay! How about Allenbell? Sentence9: That sounds great. I would like to book it for 7 people. I will also need the reference number Sentence10: You have 9 options available. Would you like to narrow it down by location? Sentence11: Your room has been booked. Your reference number is ELA3CIDM . Sentence12: There are 70 possible trips. You can leave as early as 5:35 and as late as 23:35. The trip is 17 minutes. What time of day would you prefer? Sentence13: I need to leave on Wednesday after 12:00 please. Sentence14: Booking was successful, the total fee is 35.2 GBP payable at the station .Reference number is : JD1P380X . Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: rosa's bed and breakfast Sentence2: Is it a type of guesthouse and is it in the south? Sentence3: yes I found it and it was great Sentence4: You're welcome. Have a good day. Sentence5: Thank you for the reference number, how about the sri lankan restaurant in the south? Any luck finding one? Sentence6: That sounds good. Can you book it for 3 people to stay 5 nights on tuesday? Sentence7: Nah, I'd like to stay in the same area as the hotel. Let's try a Portuguese restaurant instead. Sentence8: I apologize but there are no Sri Lankan restaurants in south Cambridge. Would like to explore another area? Sentence9: Can I also get a taxi from the hotel to the restaurant? I'd like to leave the hotel by 5:30, please. Sentence10: Rosa's bed and breakfast on 53 roseford road is inexpensive and has a 4 star rating. Would you like me to make a reservation for you? Sentence11: The reference number is 7AAVA5YO Sentence12: Yes, sir, we have the booking all completed for you. That was Five days starting Tuesday, for three people. Is that correct? Sentence13: Yes I got you a taxi. It is a grey Volkswagen whose contact number is 07956461934. Sentence14: Hi, I'm planning a visit to the south of Cambridge and am looking for a bed and breakfast. Sentence15: Absolutely. The postcode is cb17dy, the address is at Cambridge Leisure Park in Clifton Way, and the phone number is 01223327908. Sentence16: Sounds great. Thanks for your help. Sentence17: No but could I get the postcode, address and phone number please? Sentence18: You're in luck. We do indeed have a Portuguese restaurant in that area. The name is Nandos. Would you like a reservation? Sentence19: Yes, but I do need the reference number, please. I'm also looking for a sri lankan restaurant in the south. Sentence20: I'm sorry there are no results for a sri lankan restaurant in the south. Would you like to change some criteria, such as area or cuisine? Question: Who has spoken the sentence 10? (A) User (B) System

Answer: (A) User