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

Sentence1: I would like it to serve food from the americas. Sentence2: 'Hotel du vin and bistro' and 'galleria' Sentence3: Certainly, can I book your table at hotel du vin and bistro or would you prefer a table at galleria? Sentence4: i have booked you a taxi, red tesla, phone number is 718 850 4433. Sentence5: Thank you have a great day. Sentence6: Do they offer free parking? And can I get the phone number for them please. Sentence7: There are 2. Did you want me to book one of them? Sentence8: Your table has been booked and is reserved for 15 minutes, reference number is M32YYIJN . Can I help you with anything else? Sentence9: Yes, there is free parking at Hamilton Lodge. The phone number is 01223365664. Sentence10: How about european food? Sentence11: Is it possible to arrange a taxi to take me from the hotel to the restaurant by 16:00? Sentence12: I have the information pulled up. What would you like to know about it? Sentence13: I need to book a table for 3 people at 16:00 on friday at galleria Sentence14: I would like to book a table for three on Friday, at 16:00. Sentence15: I'm also looking for a hotel called hamilton lodge. Sentence16: There are many moderately priced restaurants that meet your criteria, what type of food are you looking for? Sentence17: What are the names? Sentence18: Thank you that's all that I needed Sentence19: I am looking for a restaurant in the moderate price range in the centre of town. Sentence20: Unfortunately I could not find any restaurants serving food from the Americas in the moderate price range. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: Sure! The phone number is 01223452587, the postcode is cb58bs, and that is in the centre area. Sentence2: That sounds great to me. Can I get the phone number, postcode, and area please? Sentence3: You are booked into Prezzo which is moderately priced on the west side. Your reference number is G2FIPHUL . Is there anything else? Sentence4: Great! I think you've covered it all. I don't need anything else. Thank you! Sentence5: Is there one that serves Italian food? Sentence6: You're quite welcome. Just let us know if you need any further assistance. Have a great day! Sentence7: There are none in the area that serves Welsh food, would you like to look for another type of cuisine? Sentence8: I'd like a moderate price range, please. Sentence9: I have found 5 attractions. They are all in the centre. Would you like to visit all saints church? Sentence10: There are 15 italian restaurants. Do you have preference in food price or area? Sentence11: I'm looking for a place to dine that serves welsh food. Sentence12: I am also looking for a place to go, anything with architecture. Sentence13: I don't have an area preference, but I would like to book a table for 6 people at 16:45 on wednesday. Sentence14: I have 5 moderately priced Italian restaurants. Do you have a preference on area, they are spread around the east, west, south, and centre. Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Done! Your table will be reserved for 15 minutes. Your reference number is BMZ45SHV . Can I help you with anything else? Sentence2: That is all I need, thank you for your help. Sentence3: We have wonderful British restaurants in the center of town! My favorite is The Cambridge Chop House, but it's a little expensive. Sentence4: Please find a restaurant that serves Latin American food. Sentence5: I have booked a white tesla for you. Contact number: 07825756363. Does that take care of everything for you today, or did you want more help? Sentence6: You're very welcome Let us know if you need anything else. Sentence7: There isn't, I'm sorry, could there be anything else? Sentence8: I'm sorry I couldn't find a Latin American restaurant is there another type of food you'd like? Sentence9: My computer is not showing anything regarding an entrance fee, I'm sorry about that. The address is Gonville Place, and the postcode is cb11ly. Anything else I can help you with? Sentence10: Sounds great. I want to book for 7 people on friday at 17:15. Sentence11: Oh no, my friend told me there was a really great British place in the centre. Can you double check? Sentence12: Is there a British restaurant in the center of town? Sentence13: Thanks, what is the address along with postcode? Also is there an entrance fee? Sentence14: That's alright. Can you book a taxi to take me from the pool to the restaurant in time for my reservation? And give me car type and contact number Sentence15: Parkside Pools is in that area. Their phone number is 01223446400. Sentence16: Thanks for the booking. Will you help me find an attraction in the centre near the restaurant? A swimmingpool would be ideal. Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User