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

Sentence1: I'd like to find some place to go on the east side of town. Sentence2: Thank you. Have a good day, goodbye. Sentence3: I can certainly suggest something for you. I have 10 options. Do you prefer an entertainment venue, or perhaps a museum or park, etc? Sentence4: Sounds great. That's all I needed. Thank you! Sentence5: I would prefer just anything in the east, can you give me the address and attraction type of one? Sentence6: No problem. How does the Funky Fun House sound? It is standard entertainment and it is located at 8 mercers row, mercers row industrial estate. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Where are you headed? Sentence2: anytime after 21:00. Sentence3: What time monday would you like to depart? Sentence4: okay, I do need the reference number also. Sentence5: Birgmingham New Street from Cambridge Sentence6: Yes will you book it for me ? Sentence7: I highly recommend Zizzi Cambridge in centere. It has excellent pasta and meatballs. Would you like me to book a reservation for you? Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : DKSUCWY6 . Sentence9: Yes, on Monday for 2 people at 14:30. Olease give the reference number. Sentence10: thank you that will be all good bye Sentence11: I need 2 tickets and a reference number please Sentence12: My apologies, busy weekend and the system is lagging, you are set, reference number is B6SGLAAT total cost is 150.19 GBP, thank you for your patience. Sentence13: Have a nice day, goodbye. Sentence14: How many tickets will you need? Sentence15: Thank you so much, can you please also find me an Italian restaurant in the centre of town that's on the cheap side? Sentence16: TR8406 will depart at 21:40. Is that okay? Sentence17: I need a train on Monday leaving birmingham new street? Sentence18: Sure thing. I will work on getting this booked for you. Question: Who has spoken the sentence 10? (A) User (B) System
Answer: (A) User

Sentence1: I'm looking for a 4 star hotel in the east. Sentence2: Ok, can you pick one for me? I'll just need the address and postcode please. Sentence3: thanks so much you've been really patient and kind. Sentence4: No, you have helped me fully. Thank you very much. Sentence5: Great, can you book a table for 4 people on Thursday at 19:45? Sentence6: Home from Home is a great 4 star guesthouse located at 78-80 milton road, cb41la. Is there anything else I can assist you with? Sentence7: I was able to book your table for 18:45. Your reference number is X15KR3V6 . Sentence8: Can you try again for me? Sentence9: The Missing Sock is near your hotel and has cheap International Food. Sentence10: Glad I could help is there anything else you need today? Sentence11: Is there any preference for wifi or parking access? Sentence12: great, that narrows it down to seven options! Sentence13: Yes, I need to find a restaurant that serves international food and is cheap. Also I need it in the same area as my hotel. Sentence14: Call us again anytime. Good Bye. Sentence15: No, is there anything available for 18:45? Sentence16: I need free parking. Sentence17: I do not have a date at this time. Sentence18: Unfortunately, our booking system is down at this time. Sentence19: I have some excellent guesthouse choices, may I check availability for a certain date? Sentence20: There is no availability at that time in the establishment. Would you like to try a different place? Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System