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 5 optionsd available,all have WiFi Sentence2: Do you know if any of them offer free wifi? Sentence3: Sure! We have 18 4 star guesthouses, would you like a specific part of town or price range? Sentence4: I'm needing a 4 star guest house today. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Maybe you could try again? Sentence2: I am looking for a place to stay in cambridge in the moderate price range with 4 stars Sentence3: I found the restaurant you want. Do you want me to make reservation? Sentence4: I am having a hard time booking this, could I make sure the place you would like is the Pizza Express at Fen Ditton? Sentence5: There are 11 matches. Do you have a preference for hotel types? Sentence6: Yes, for 5 people on Friday around 13:45, please Sentence7: I am not able to book anything right now. Sentence8: Okay....well I'm over here waiting....don't forget the reference number too Sentence9: I will go ahead and book that for you now. Sentence10: Thanks for the room booking. Can you locate a restaurant for me, too? The name is pizza express Fen Ditton. Sentence11: The booking worked this time! The reference number is S31A87TV . Anything else today? Sentence12: No problem. If you need anything else just call us back. Sentence13: Yes it is, but if 13:45 time isn't working then 12:45 would also be acceptable. Sentence14: Great, thanks for your help! Have a good one. Sentence15: You have a room booked at the Warkworth House (ref# TP8X26LA). Can I help you with anything else? Sentence16: No, but it should be in the east. Sentence17: I have 3 guesthouses matching your request. Do you care about parking? Sentence18: Pick one and book me for 5 people lasting three nights starting Friday please. Question: Who has spoken the sentence 15? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I have the archway house that offers free parking. Would you like to make reservations? Sentence2: I need a place to stay in the north with a 4 star rating please. Sentence3: I have 8 guesthouses in the north. Would you like some information on the Archway House? It has free parking and internet. Sentence4: Is it in the cheap price range? Sentence5: There is the Riverboat Georgina in the north. Would you like the information for it? Sentence6: No thank you, could I have the address with postcode and phone number? Sentence7: What hotels have free parking? Sentence8: The address is cambridge passenger cruisers, jubilee house. The entrance fee is unlisted. Anything else today? Sentence9: I would like to find a boat in the north of town as well. Sentence10: Thank you so much for using our services. Goodbye. Sentence11: The address is 52 gilbert road cb43pe, phone number 01223575314. Is there anything else you need today? Sentence12: There is no entrance fee? Sentence13: No, it's moderately priced would you like another hotel? Sentence14: The entrance fee is not available. It is absent from my database. Sentence15: Can you just give me the entrance fee amount and the address? Sentence16: Okay, thank you so much! I don't need anything else then, goodbye! Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System