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

[EX Q]: Sentence1: You're welcome and enjoy your stay. Sentence2: Can you help me find a hotel in the North part of Cambridge? Sentence3: I have two moderately priced hotels in the north for you. The Ashley Hotel and the Lovell Lodge. Would you like me to book one? Sentence4: Great I can take care of that. How many people? How long will you be there and when will your stay start? Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : E4J0YE8W . Anything else. Sentence6: thanks very much to you! I am done now. Farewell! Sentence7: I would like to book the Ashley Hotel. Sentence8: Okay, be on the lookout for a grey honda. The contact # is 07374179224 Sentence9: There will be 7 of us arriving Sunday. We will be staying 3 nights. Sentence10: They do both have internet. Sentence11: Yes I am needing a restaurant that is the same price range as my hotel and in the same area. Sentence12: There are two; The Golden Wok which is a Chinese place, and The Nirala, with Indian cuisine. Which would you prefer? Sentence13: Does it have internet? Sentence14: I will go with The Nirala since I love Indian food. Please book it for 11:00 for the 7 of us on Sunday. Sentence15: I was able to book the room for you the reference number is HQKA3TBW . Can I help you with anything else? Sentence16: Yes, I want a taxi too. I'll need contact number and car type. It should pick me up at the hotel and arrive at restaurant by 11:00 Question: Who has spoken the sentence 11? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I need help, i just been the victim of a robbery. Sentence2: You are most welcome! Sentence3: Sure, here it is: Parkside, Cambridge. Sentence4: I am not hurt but I need to get in touch with the police, can you send me the address? Sentence5: Are you hurt? Sentence6: Thank you for your help Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I recommend Cotto. Would you like a table there? Sentence2: No thank you. Could I get the phone number and address please? Sentence3: Of course. There is no fee to enter. The address is 98 king Street, postcode cb11ln. Do you need any more info? Sentence4: Of course. The phone number for Cotto is 01223302010 and the address is 183 East Road City Centre. Is there anything else I can help you with today? Sentence5: Yes, I'm looking for a museum to go to. Sentence6: I am looking for a moderate restaurant in the centre. Could you help me with this? Sentence7: Thank you for using our services. Have a great day. Sentence8: How about british food? Sentence9: That could work. Can I get the entrance fee, address, and postcode as well? Sentence10: No, that's all I needed. Thanks! Goodbye! Sentence11: That sounds good, thank you. Sentence12: Certainly, there are 21 moderate restaurants to choose from in the centre. Are you in the mood for any particular type of food? Sentence13: Did you want that museum to be in the center of town, as well? Sentence14: There are no restaurants that serve New Zealand food in the centre of town that are moderately priced. Do you want to try a different cuisine? Sentence15: Yes, I would love to have some New Zealand cuisine if possible. Sentence16: Ok, How about the broughton house gallery? Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]:
Answer: (B) System