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

[Q]: Sentence1: I have 2 guest house.One is in the moderate price range and the other is cheap. Would you like to book one of these? Sentence2: There are no expensive hotels with 4 stars in the south with free parking? I'll take cheap if there aren't, but I need the address and phone number, please. Sentence3: I am looking for a hotel with a 4 star rating and price no more then 125 a night. Sentence4: Can you give me the phone number for Primavera? Sentence5: Primavera is in the centre at 10 King s parade. Admission is free. Can I get you a train or taxi as well? Sentence6: That sounds fine. Can you provide the phone number and address? And, is that considered a hotel or a guesthouse? Sentence7: Certainly! Phone number is 01223357708. Would you be interested in any restaurants or hotels while there? Sentence8: I am looking for a place to go in the centre of town. Sentence9: I have about 44 attractions to choose from in the centre. Can you tell me what type of attraction you are looking for? Sentence10: Yes, I would like to find a place to stay in the south with free parking. Could you help me? Sentence11: It is a guesthouse and the address is 53 roseford road. The phone number is cb22ha. Sentence12: Can you just choose one for me and give me the phone number? Sentence13: Please tell me your price range and hotel star rating preference. Sentence14: I'm sorry, can you provide that phone number again? I got a post code. Sentence15: I have rosa's bed and breakfast. It is in the south and cheap with 4 stars. Sentence16: I have 11 museums in the centre of town. They are all free. Do you have a type of museum in mind? Sentence17: The phone number for rosa's bed and breakfast is 01223512596 Sentence18: Maybe a museum would be nice. I am not sure. Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: The postcode is CB58BS. Can I help you find anything else? Sentence2: Can you tell me what their star rating is? Sentence3: I need something in the south and free parking. Sentence4: I will be in the centre of cambridge. I am looking for any type of attraction involving architecture. Sentence5: You're very welcome, I'm glad that I could help. I hope that you enjoy your stay! Goodbye. Sentence6: Of course! They are a 3-star establishment. Would you like me to go ahead and book that for you? Sentence7: thats it, thanks! Sentence8: Bridge Guest House was available for 2 nights. Your reference number is ULWMFZAX . What else can I do for you today? Sentence9: I'm sorry. There is no availability. Would you like to try different dates or another hotel? Sentence10: I'd recommend All Saints Church on Jesus Lane. Did you need help with anything else? Sentence11: I would recommend the Bridge Guest House based on your criteria. Would you like me to book you a room? Sentence12: There are 33 places to stay, do you have any requirements? Sentence13: How about just 2 nights instead? Sentence14: yes, 7 people 4 nights starting Wednesday. Sentence15: I need a place to stay. Sentence16: Can you give me the postcode for that? Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I would like the postcode of Aylesbray Lodge and I would like to find where the Milton Country Park is located. Sentence2: The postcode for Aylesbray Lodge Guest House is cb17sr. Milton Country Park is located in the north in Milton and the post code is cb46az. Sentence3: Im not sure but I would like to stay in a 4 star guesthouse. Sentence4: THank you so much for all your help. Sentence5: I need both pieces of information right now. Sentence6: What price range would you like? Sentence7: I am looking for something moderately price and that is 4 star rated. I prefer a guesthouse also. Sentence8: Is there a specific area you would like to be in? Sentence9: I have 7 guesthouses in the north, 3 in East and 1 in the South. Would you like me to book the Aylesbray Lodge Guesthouse in the South? Sentence10: I'm excited about my trip to Cambridge to sight see, and need a hotel while I'm there. Sentence11: You are quite welcome. Sentence12: I can only process one req at a time. Which one would you like first? Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System