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: Booked! You leave at 13:17, your reference number is 3WICPFQP, you will pay 141.6 at the station. Sentence2: I am looking to book a train. Sentence3: Could you tell me your location, which area of town or what business you are departing from? Sentence4: Certainly. May I ask where you want to depart from? Sentence5: I need to depart from London Kings Cross and go to Cambridge. Sentence6: We are leaving London Kings Cross and need to do so after 12:45 on Friday for 6 people and can I get the reference number for the booking? Sentence7: Okay thank you. That is all I need. Sentence8: Okay thank you for calling. Sentence9: I would like to leave from the closest station to my location. Sentence10: To clarify, are you looking for a train to Cambridge? All Friday trains from London Kings Cross go to Cambridge. Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: I would like to arrive by 9:30. Sentence2: The price of the train is 16.60 pounds. Sentence3: You as well, goodbye. Sentence4: Yes, they have free parking as well as internet. Would you like to reserve a room? Sentence5: Sure, the train the arrives closest to that time is TR2715, arrives at 09:07. Shall I book it, if so how many riders are there? Sentence6: Actually, I don't need the room booked. I think we're all set here. Have a good day. Sentence7: Of course, what will the number of guest and the duration of your stay be? Sentence8: Just one. What is the price to book the train? Sentence9: Yes, thank you. Sentence10: I'm looking for a train going to Cambridge. Sentence11: Does the Hamilton Lodge include free parking? Sentence12: I have found the place you are looking for. Its address is 156 chesterton road, would you like me to book a reservation for you? Sentence13: There are over 1000 trains coming to Cambridge. Is there a particular day, time, or point of departure that you're interested in? Sentence14: I want to leave from london liverpool street on tuesday. Sentence15: What time would you like to arrive in Cambridge? Sentence16: Alright, Thanks. I'm also looking for a particular hotel, it's name is Hamilton Lodge. Question: Who has spoken the sentence 13? (A) User (B) System

Answer: (B) System