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

[Q]: Sentence1: I am sorry there is nothing that meets that criteria. Is there another type of food or area you would be interested in? Sentence2: Thanks, will you please book a table for 7 people on thursday at 13:00? Sentence3: I'm looking for a restaurant in the east. Sentence4: How about British food? Sentence5: There are nine restaurants in the east. Do you have a price range in mind? Sentence6: You are welcome. Enjoy your dinner! Sentence7: Booking was unsuccessful. can we book another day or time slot? Sentence8: Nope, that should be everything. Thank you so much for all of your help. Sentence9: Booking was successful for Thursday at 1200hrs , table for 7 at Grafton Hotel restaurant. Your Reference number is KQKTCX5Y . Is there anything else I can help you with? Sentence10: I would recommend you try Grafton Hotel Restaurant. As requested it is in the east and serves British food. Sentence11: I don't have a price range but I am looking for asian oriental cuisine. Is that possible? Sentence12: please try booking at 1200hrs and get me the reference number Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I am looking for a particular hotel. Its name is called autumn house Sentence2: Thank you goodbye Sentence3: Could you try Wednesday, instead? Sentence4: You're welcome. Thank you for calling and goodbye. Sentence5: That's for 8 people and it's for 2 nights. Sentence6: Booking was successful. Reference number is : 3H0WHD4Z . Sentence7: No thanks. Would you book the Autumn House for me starting on Monday, please. Sentence8: I'm sorry, your booking was unsuccessful. Would you like to book another day or a shorter stay? Sentence9: How many people would be staying and how many days will you be staying? Sentence10: I have the Autumn House. It is at 710 Newmarket Road. Would you like the phone number? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Any one will do as long as it has a 4-star rating with free wifi and is cheap. Sentence2: Hi, I'm looking for a 4-star hotel with free wifi. Sentence3: No I am sorry, they are both in the moderate price range. Would you like to book one of them? Sentence4: Okay, I've made your reservation. The reference number is 525A3U0N . What else can I help you with today? Sentence5: I'm not sure. I really needed those specifications. Sentence6: I apologize, we have several options. The alexander bed and breakfast is a cheap four star guesthouse, in the north area, with wifi. Would you care to reserve a room? Sentence7: Are either of those two cheap? Sentence8: You've taken care of everything. Thank you. Sentence9: Sure thing. I have two options for you, and they are both guesthouses. One in the east, and one in the north. Do you have a preference? Sentence10: Yes, let's book it for 3 nights from Wednesday. There will be 5 of us. Sentence11: Thank you have a good day. Sentence12: There are no 4-star places that are cheap and have free wifi. Perhaps something not as fancy, or in a higher price range? Question: Who has spoken the sentence 11? (A) User (B) System
[A]:
Answer: (B) System