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

Sentence1: Taj Tandoori is an expensive Indian restaurant in the South. Would you like more information on them? Sentence2: I'm looking for an expensive restaurant in the south part of town Sentence3: Thanks for your call. Goodbye! Sentence4: Thank you goodbye. Sentence5: May I have their address and phone number? Sentence6: chiquito restaurant bar is located at 2G Cambridge leisure park cherry hinton road cherry hinton. Its phone number is 01223400170. Would you like anything else? Sentence7: Yes. chiquito restaurant bar serves mexican food in the expensive price range and is located in the south part of town. Sentence8: Is there anything else? Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

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: Your train has been booked and your reference number is UXYKEGNB . May I help you with anything else? Sentence2: I'll be leaving from Kings Lynn. Sentence3: I am looking for information in Cambridge Sentence4: I also need a train to Cambridge. Sentence5: Ok wonderful, what will be your departure location? Sentence6: Is there a date and time that you would prefer? Sentence7: That's it! Thank you for your help! Sentence8: Please book me 1 ticket for the TR0415. Sentence9: Yes, there are 5 colleges in the west! Some are free and some have a small fee. Would you be interested in one of those? Sentence10: churchill college would suit your needs. The phone number is 01223336233 and the entrance fee is free. Sentence11: Yes, on Monday and I need to leave after 16:15. Sentence12: Okay the TR0415 leaves at 17:11 and arrives by 17:58. Sentence13: Sure, I can help you with all kinds of information. What do you need to know? Sentence14: Sure, just pick one, please? I'll need the entrance fee and phone number. Sentence15: Sorry, no parks in the west. Sentence16: hmm, what about a college? Sentence17: Sure, any time! Sentence18: Are there any good parks to visit in the west? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System