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

Ex Input:
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

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: yes that works. I also need a taxi to get between the guest house and restaurant. Sentence2: I'd also like the hotel type and internet status, please. Sentence3: found it, de luca cucina and bar is modern european centre of moderate price range. phone number is 01223356666 code,cb21aw and is located on 83 Regent Street Sentence4: Thank you, I want to book a table for 8 people at 11:30 on saturday. Sentence5: No just need the address and do they have free internet? I am also looking for a nice place to eat called the de luca cucina and bar Sentence6: It is a guesthouse, cheap, wifi and parking. Would you like to reserve it? Sentence7: Worth House has internet and parking. Will that work for you? Sentence8: Ok, a black bmw will pick you up in time to arrive for your reservation at de luca cucina and bar. The taxi's number is 07228077167. Anything else? Sentence9: Found it! It is located in the north and it is cheap. Would you like to make a reservation? Sentence10: Thanks. What was the address for Worth House? Sentence11: warkworth terrace is the address, anything else? Sentence12: Thank you, please contact us again if you'd like additional assistance. Have a great day! Sentence13: I'm looking for a hotel named Worth House Sentence14: That is all thanks for your time. Sentence15: Is that a hotel or guesthouse? And, do they have free internet? Sentence16: I was able to book it the reference number is 3EZLDF7Q . Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: There are quite a few trains all week that could fit your needs. Which specific day are needing so we can narrow these down a bit. Sentence2: Perfect. I also need a train that goes to cambridge and arrives by 20:15. Sentence3: I'll be travelling on Wednesday Sentence4: Did you want reservations? Sentence5: What kind of museums are offered in that area? Sentence6: Can I ask where you're departing from and what day? Sentence7: How long is the train ride from Peterborough to Cambridge, please? Sentence8: Thanks, that's it for today. Goodbye! Sentence9: there are lots of museums, colleges, and churches to visit Sentence10: May I have the price ? Sentence11: There are 11 museums in the centre of town. They are all free to enter. Sentence12: The trip will last 50 minutes Sentence13: Tra TR0922 leaves at 13:17 and you will arrive by 14:L08 that is the latest one,can I book it for you ? Sentence14: I'm bored and need to venture out into the centre. What should I absolutely go see? Sentence15: The fare is 23.60 pounds Sentence16: departing from peterborough and going to cambridge. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System