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: Tuesday please at 18:15 for 6 people. Sentence2: Your booking at the Gonville Hotel was successful. The reference number is FHD472H3 . Can I help with anything else today? Sentence3: We have an expensive hotel called gonville hotel with free internet and parking. Would you be interested in booking a room here? Sentence4: Thanks, you have been very helpful. That is all I needed. Bye. Sentence5: I 'd like to find a hotel in the same area, one with three stars. Sentence6: What sort of dining does Cambridge offer in the centre, in the moderate price range? Sentence7: Yes it has free wifi and free parking. Sentence8: There are 21 different choices. What kind of food are you looking for? Sentence9: Your table at Ali Baba is booked, reference #NYH3ZPQN . Is there anything else I can help you with today? Sentence10: That sounds perfect. Can you book a reservation for 5 nights starting on Tuesday for 6 people? Sentence11: That will work can you make a reservation and send me the reference number please? Sentence12: I would like some christmas food. Sentence13: How about somewhere with Lebanese food? Sentence14: Thank you for using Cambridge TownInfo. Have a great day! Sentence15: Does it have free wifi? Sentence16: I'm sorry. I could not find a restaurant that meets that criteria. Would you like to try something else? Sentence17: of course, what day shall i make the reservation for? Sentence18: Yes, there is a moderately priced Lebanese restaraunt in the centre named Ali Baba. How does that sound? Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Certainly I can help with that, will you destination be from allenbell? Sentence2: I have booked a taxi for you. A grey toyota with the contact number 07790143125. Is there anything else you need? Sentence3: Thank you, please enjoy your stay here in Cambridge. And have a wonderful day. Sentence4: Well, I also need to book a taxi. I want to leave the hotel by 19:30. Sentence5: I'm also looking for a museum in the east area. Can you help me find one? Sentence6: Yes! Can I have the postcode for it? Sentence7: It is a 4 star hotel that is cheap, and in the east of town. It is a guesthouse type and phone number is 01223210353. Sentence8: Can you give me some information on the Allenbell? It's a hotel. Sentence9: No. Thank you very much. Sentence10: I need it for 5 people and 5 nights starting from sunday. I will also need the reference number. Sentence11: Yes, the Cambridge Artworks is a wonderful museum in the east. Would you like more information? Sentence12: I want to go to the Cambridge Artworks. Sentence13: I have successfully booked it for you. Your reference number is I44610JK . Sentence14: Sure, the postcode for cambridge artworks is cb13ef. Do you need any more information? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System