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

[Q]: Sentence1: Does that have free parking? Sentence2: I don't have that either. Sentence3: I have 8 different four star guesthouses. They all include internet, would you like to make a reservation? Sentence4: Booking was successful. Reference number is : 7FLYWY4J . I would love to help with anything else ! Sentence5: I can book you into the Acorn Guest house. How many nights do you want to stay? Sentence6: I also need a cinema to visit? Sentence7: Will you please try again? There's gotta be a park somewhere. Sentence8: Oh okay, looks like there is one park. It is Milton Country Park in the North. Their phone number is 01223420060. The address is milton country park, milton. Sentence9: What type of restaurant are you looking for? Sentence10: How many people will be staying at the Acorn, please? Is the booking for you only? Sentence11: Thanks, I need a taxi to get between the two places. Sentence12: What time would you like to leave? Sentence13: Yes, the Acorn guest house has parking Sentence14: I'm sorry, there was an error in our system. Could you please rephrase your question? Sentence15: There will be 5 of us Sentence16: Ok. I booked a yellow toyota for you leaving milton country park at 09:15 and going to the acorn guest house. Is that correct? Sentence17: I have 5 other parks in the centre, east, north, and south. Sentence18: Do you have a price range or star level in mind? Sentence19: I need a restaurant to commute between the attraction and restaurant. I want to leave the attraction by 9:15 and I need car type and contact number please. Thank you, bye.. Sentence20: I need a don't care restaurant. Thank you Sentence21: i need a place to stay Sentence22: Can you select one and make a reservation for me for Thursday please? Sentence23: Sorry, I didn't find any cinemas in the north. Sentence24: I need to get there by 09:15 Sentence25: I can help with that. Do you have a preference in location? Sentence26: Okay I have booked a yellow toyota for you. The contact number will be 07196305390 Sentence27: Can you book that for me for 2 nights beginning Thursday? Sentence28: Hmm, how about a park, then? Sentence29: In the same area as the hotel Sentence30: I don't care about price but I'd like a 4 star place. Sentence31: I just want a park in the same area as my hotel Sentence32: Great. Can you also book a place for dinner on Thursday night? Sentence33: Do you have a particular part of town in mind? Sentence34: I would prefer it to be in the North. Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: What is your departure point? Sentence2: What time do you need to leave by? Sentence3: I am looking for a train to cambridge. I would like something on sunday to arrive by 18:30 Sentence4: I just want to get there at or shortly before 18:30. Sentence5: I'd like to recommend whipple museum of the history of science, at free school lane. Admission is free. Sentence6: Yes it is their full address and the postcode is cb23rh and their telephone number is 01223330906. May I help you with anything else today? Sentence7: Thank you. That is all that I need. Sentence8: i place want a place to go in the centre Sentence9: I found the perfect train! TR7771 will get you there at 18:24. Would you like me to book this for you? Sentence10: Ok, your booking is complete for 6 people. The cost is 79.19 GBP, payable at the station. The reference number is 8W0OSFM6 . Sentence11: I would like a museum in the centre please. Sentence12: What are you into? Do you like theatre? Museums? We have plenty of attractions in the centre and if you tell me what you enjoy I can recommend one Sentence13: My departure will be from Cambridge. Sentence14: Okay. Glad I could be of help. Sentence15: Is that the full address for the museum? Free School Lane? Sentence16: I need to go to Peterborough. Sentence17: Yes, please book me for 6 people. My birdwatching club is taking a trip together. Sentence18: And what is your destination city? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: I would like a hotel in the centre and it should be in the cheap price range. Sentence2: There are definitely lots of places that provide complimentary parking and wifi. Do you prefer any particular part of town, or are you looking for a certain price range? Sentence3: Yes, that would be fine. What are the names of the two guesthouses? Sentence4: What star ratings are they? Sentence5: I'm looking for a hotel that includes free wifi and free parking. Sentence6: One id alexander bed and breakfast and the other is el shaddai. Sentence7: I don't have any hotels that meet your criteria but I do have two guesthouses available? Would that be okay? Sentence8: Alexander bed and breakfast is 4 stars and el shaddai is 0 stars. Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System