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

Sentence1: Where would you be departing from and when would you like to leave? Sentence2: There are four restaurants that serve British food near the centre that are moderately priced. Do you want more information on these restaurants? Sentence3: Actually, sorry. Do cancel the other booking because I didn't ask for it. Make the booking for 7 people on a train leaving after 15:45 from norwich to cambridge on tuesday Sentence4: What is your destination? Sentence5: No i will keep it Sentence6: i'm also looking for a train. Sentence7: Oh no! There no english restaurants that I can find right now. Would something else work? Sentence8: Okay thank you for calling. Sentence9: Glad to have been of help. Thank you for using the Cambridge TownInfo centre. Have a great day Sentence10: Im leaving Cambridge at 11:00 Sentence11: Your tickets have been booked. Your new reference number is 8XIKH0Z9 . Sentence12: it is called restaurant one seven and there phone number is 01223337766 Sentence13: Like I aid there are no listings for english food,another type of food? Sentence14: Actually, I am traveling on Tuesday. I need to leave after Norwich after 15:45. I need a booking for 7 people. Sentence15: nevermind, i'm going to cambridge not from it. i'm leaving from norwich Sentence16: I'm looking for a local restaurant to dine at that serves english food and is moderately priced. Sentence17: Yea can you recommend one and get my the phone number please? Sentence18: Perfect. Sorry about all the confusion and thanks for your help. Have a great day. Sentence19: I have booked you on TR8662 which leaves Norwich at 11:16 on Friday and takes 79 min to get to Cambridge for 17.60 pounds. Reference R42CEKG8 Sentence20: Are there any restaurants that serve british food? Sentence21: So you want to cancel the other booking? Sentence22: I'm looking for something with a moderate price range near the centre. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Thank you. I am also looking for a particular restaurant, it is called Charlie Chan. Can you provide me its address? Sentence2: I want able to book your room at the Gonville Hotel for you for the two nights. Your reference number for this is KYXT8TUS . Sentence3: I would like to book for four people for three nights beginning on Tuesday. Sentence4: No, thank you. That's all I needed today. Sentence5: Does the Gonville Hotel have guesthouse accommodations? Sentence6: Yes please book it for four people in 3 nights starting on Tuesday Sentence7: Before I book this hotel I just want to inform you that I have confirmed that it is not a guesthouse but a hotel. Would you still like me to book? Sentence8: No how about two nights? Sentence9: I believe so, yes. Sentence10: Unfortunately it can not be booked for 3 days. Did you want to get information about a different hotel instead? Sentence11: I am looking for a 3 star hotel with free parking in Cambridge. Sentence12: Absolutely. On what day, for how many people and how long is your stay? Sentence13: Certainly! The address for the Charlie Chan is Regent Street City Centre. Would you like me to book a reservation? Sentence14: Thanks for contacting Cambridge TownInfo centre. Let us know if you need anything else and have a great day! Sentence15: I found a handful of locations that might suit your interests. Would you care to check out the Gonville Hotel? It has everything you are looking for in accommodations. Sentence16: Can you book this hotel? Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: prezzo is located at 21-24 northampton road. Do you want the phone number? Sentence2: No, thank you. That is all I wanted to know. Good bye. Sentence3: Do you have a preference on the type of food? Sentence4: I don't have a preference. Sentence5: Thank you for using the system. Good bye. Sentence6: I am looking for a restaurant in the west part of town and is in the moderate price range. Sentence7: Prezzo is an italian restaurant in the area of west in the moderate price range. Sentence8: What is the address? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System