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

Sentence1: Thanks for the help, bye! Sentence2: I have many varying from moderate to expensive in price range. Do you have a preference? Sentence3: Have a great day! Sentence4: Certainly, I have booked your car, it will be a yellow skoda the contact number is 07839693090. Is there anything else I can assist with? Sentence5: Yes. I am looking for a college as a place to go in town. Sentence6: I recommend Tandoori Palace, would you like me to book a table for you? Sentence7: Tandoori Palace is located at 68 Histon Road Chesterton, postcode cb43le. Their phone number is 01223506055. Is there anything else I can help you with? Sentence8: I would recommend Clare Hall would you like to visit that? Sentence9: No, that is all. Thank you! Sentence10: Yes, please. Can you book a taxi for me? I'll be heading from Clare Hall to Tandoori Palace, and I'd like to be picked up at 18:15. Sentence11: I'm looking for a restaurant in the west that serves Indian food. Sentence12: I don't need a reservation, but could you give me their address, postcode, and phone number, please? Sentence13: What do you have in the expensive price range? Sentence14: Clare College is located on Trinity Lane in the west area of the city. The entrance fee is 2.50 pounds. Is there any other information I can get for you? Sentence15: Glad we could be assistance. Sentence16: Sure, but first I'll need to know the entrance fee, area, and address. Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System

Sentence1: You pick the area as I don't have a preference. Sentence2: I found swimmingpools in the areas of east, north and centre. Which would you prefer? Sentence3: I am departing from stevenage on thursday. Sentence4: Parkside Pools is located at Gonville Place. Is there anything else you would like to know? Sentence5: Parkside Pools is a great place located in the centre, would you like more information? Sentence6: Yes please. Get me the address Sentence7: The TR9547 gets into Cambridge from Stevenage at 20:43. Will that work? Sentence8: Have a great day! Sentence9: Yes, I just needed info for now. Thanks for your help. Goodbye. Sentence10: I need a train, on Thursday. Arriving by 2145. Sentence11: Where will you be departing from? Sentence12: i just want a place to go with a swimming pool. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: I'm looking for a 4 star hotel in the east. Sentence2: Ok, can you pick one for me? I'll just need the address and postcode please. Sentence3: thanks so much you've been really patient and kind. Sentence4: No, you have helped me fully. Thank you very much. Sentence5: Great, can you book a table for 4 people on Thursday at 19:45? Sentence6: Home from Home is a great 4 star guesthouse located at 78-80 milton road, cb41la. Is there anything else I can assist you with? Sentence7: I was able to book your table for 18:45. Your reference number is X15KR3V6 . Sentence8: Can you try again for me? Sentence9: The Missing Sock is near your hotel and has cheap International Food. Sentence10: Glad I could help is there anything else you need today? Sentence11: Is there any preference for wifi or parking access? Sentence12: great, that narrows it down to seven options! Sentence13: Yes, I need to find a restaurant that serves international food and is cheap. Also I need it in the same area as my hotel. Sentence14: Call us again anytime. Good Bye. Sentence15: No, is there anything available for 18:45? Sentence16: I need free parking. Sentence17: I do not have a date at this time. Sentence18: Unfortunately, our booking system is down at this time. Sentence19: I have some excellent guesthouse choices, may I check availability for a certain date? Sentence20: There is no availability at that time in the establishment. Would you like to try a different place? Question: Who has spoken the sentence 7? (A) User (B) System

Answer: (B) System