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

Sentence1: El Shaddai is a guesthouse. Anything other questions about them? Sentence2: Yes, they have free parking. Would you like me to book you a room? Sentence3: Whoa whoa, easy there tiger, Lets narrow the search down first. In the center, 0 stars, cheap and it can be a hotel or guesthouse. Sentence4: Yes I need a chinese restaurant. Sentence5: ok for how many people and when are you planning your stay? Sentence6: I am looking for a restaurant that sell seafood,will prefer one in the center of the city. Sentence7: ok what location? Sentence8: Do they have parking? Sentence9: Yes, I'd like to travel on Wednesday. I'll need to arrive by 8:00. Sentence10: It should be in the same area? Sentence11: I would like a train into Cambridge from Stevenage. Sentence12: Is El Shaddai a guest house or hotel? Sentence13: OK. Is there anything else I can help you with today? Sentence14: No. That's everything I needed and then some, actually! Thanks, take care! Sentence15: Okay, is there anything else I can help you with? Sentence16: No, I don't need a chinese restaurant after all. Thanks for looking. Sentence17: All set. You are booked for 7 people on TR9448. You reference number is B1Q6DDTE . Can I help with anything else? Sentence18: i only have one option can i book it for you? Sentence19: No, I don't need to. I was just curious about it. Thank you for all of your help. Sentence20: The TR9448 arrives at 06:43. Would you like me to book a ticket for you? Sentence21: Yes, I need a hotel as well. Sentence22: Is there a specific day and time you would like to travel at? Sentence23: I'm sorry, there seems to be an error. Can you please restate your request? Sentence24: How about el shaddai? Fits your request perfectly. Sentence25: Thank you for calling. Have a great day! Sentence26: Yes, please book 7 seats. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Unfortunately, no. La Margherita is an italian place. And, Thanh Binh serves vietnamese. Sentence2: Would you like for me to make you a reservation? Sentence3: Thank you for using the Cambridge Town Info Centre Services! We hope you enjoy your time in Cambridge Sentence4: yes, I want to book a table for 6 people at 12:00 on sunday. Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : H0BFXWTP . Can I help you with anything else today? Sentence6: Yes, book that for 6 people. I would also like the reference number. Sentence7: Where would you like to go to? Sentence8: Thanh Binh would be perfect. Sentence9: Certainly! There are two great restaurants that meet your criteria. The first in La Margherita and the second is Thanh Binh. Would you like more information on one of them? Sentence10: Your booking was successful. The total fee is 113.28 GBP, which is payable at the station. Your reference number is A5ZWGBQ3 . Sentence11: Yes, could you find me a train from ely that same day? Sentence12: thanks so much you have been very helpful Sentence13: Does it serve creative food? Sentence14: TR3207 will arrive by 07.51. Should I book it? Sentence15: Can you help me find a cheap restaurant in the west side of town? Sentence16: I would like a train to Cambridge, arriving by 09:45. Question: Who has spoken the sentence 10? (A) User (B) System
Answer: (A) User

Sentence1: I don't care as long as it's a guesthouse located in the north for cheap. Sentence2: You are welcome! Enjoy your time here. Sentence3: I'm sorry, there are no Swiss restaurants in the north side of town. Is there a different food choice you would like to try? Sentence4: We have 9 guesthouses that match your search. Would you like to narrow it down? Sentence5: Can you try booking again for 3 nights instead of 4? Sentence6: Sure expect a grey Volkswagen to pick you up and the contact number is 07554509101. Is there anything else I can help you with today? Sentence7: I'm sorry. It looks like the guesthouse can't be booked for your stay. There's a 0 star guesthouse also in the north. Would you like me to look there? Sentence8: Thank you, please provide the address and the postcode. Sentence9: May i suggest the Worth House? It is a cheap, 4 star hotel in northern Cambridge. Sentence10: Your booking for 3 nights was a success! Your reference number is KLPEPNED . Is there anything else I can help you with? Sentence11: Thank you. I would also like to book a taxi to get from the guesthouse to the restaurant. I would like to arrive by 17:30. Sentence12: How about the Royal Spice, it's a cheap Indian place in the north part of town. Sentence13: What is the maximum passenger accommodation of the Volkswagen? There will be 7 of us going to dinner. Sentence14: Thank you. Are there any cheap restaurants near the hotel as well? Sentence15: Yes. This restaurant should serve swiss food too. Sentence16: Yes, I'm looking to stay at a guesthouse while I'm in town. I don't need internet access, so don't worry about that. Sentence17: Sounds like a plan. Thank you for all of the help! Sentence18: I see. Hmm. What about Indian? Sentence19: Just to clarify, are you looking for a cheap restaurant in the north area of town? Sentence20: That's fine. Can I book it on monday for 4 nights for 7 people? Sentence21: I need something cheaply priced. Sentence22: Yes I would like a contact number and car type please for my booking. Sentence23: The model of the car was not given, so I am not sure, your best bet is to call the taxi company to make sure the vehicle can fit 7 passengers. Sentence24: The alpha-milton guest house is in the north and moderately priced. Would you like to book a stay? Sentence25: Ok, I've booked your taxi from Worth House to Royal Spice. You will arrive by 17:30. Anything else I can do for you? Sentence26: No problem, address is Victoria Avenue Chesterton, postcode cb41eh. Question: Who has spoken the sentence 13? (A) User (B) System

Answer: (B) System