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

Input: Consider Input: Sentence1: Can you check a swimming pool in the west of the city? Sentence2: Yes, there are no swimming pools located to the west of your city. Thank you, if you need help with anything else, contact us again. Sentence3: No thank you, that's all I needed. Sentence4: I have 3 hotels and 2 guesthouses in town centre. Would you like a cheap price range or expensive? Will you also need parking? Sentence5: Okay! Goodbye! Sentence6: I would prefer a guesthouse, and it does not need to include internet. Sentence7: If you change your mind and need a booking, we'll be here. Thanks for using our service! Sentence8: I'd prefer one in the same part of town as my hotel, are you sure there isn't one? Sentence9: We currently do not have any shown attraction in that area you are looking for. Are there any other further things I could assist with? Sentence10: Goodbye. And feel free to contact us if there's any other information you need, as well. Sentence11: The alexander bed and breakfast is a guesthouse in town centre in the cheap price range with a 4 star rating. Would you like to book a room? Sentence12: I am looking for a place to stay in the centre in Cambridge. Sentence13: I'm not showing a swimming pool in the East, but there are 2 in the North, will that work? Sentence14: I am also looking for an attraction, a swimming pool Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I would recommend the cherry hinton water play on the east. It is also free admission. Sentence2: The duration is 163 mins.Do i need to book something for you? Sentence3: Thanks for the park info. In review, I don't see a train ID departing from Cambridge after 10:45. Do you have it? Sentence4: You're very welcome. Good day. Sentence5: I can help! What day are you looking to travel? Sentence6: I do not have a preference on a side of town. Sentence7: I need to leave on Thursday. Sentence8: I am looking for a park, can you help me with that? Sentence9: It is 163 minutes Sentence10: Okay Could I have their telephone number please? Sentence11: The phone number is 01223336265. Sentence12: Can you also tell me about some parks that I could visit? Sentence13: Their address is cherry hinton hall, cherry hinton road. Is there anything else I can help you with today? Sentence14: May I suggest cherry hinton water play, since it will be warm out. It's located in the east. Sentence15: I'm looking for a train going to Birmingham New Street. Sentence16: Is there an area you prefer? Sentence17: We've got about 19 trains for that route. Do you have a certain time you want to leave after or arrive by? Sentence18: Thanks. Can you please give me its address? Sentence19: Yes i'd also like parks I can go to. Sentence20: I think that is all I need today. Thank you for your help. Sentence21: I want to leave on Saturday and leave after 10:45. Could you give me the travel time? Sentence22: We have 5 great parks in town. My favorite is the Botanic Gardens in the center. It's well worth the 4-pound entrance fee. Sentence23: TR5669 leaves Cambridge at 11:01 and arrives at birmingham new street at 13:44. May I help with anything else? Sentence24: Sorry, how long is the travel time on the train? Question: Who has spoken the sentence 19? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I have TR4594, leaving at 11:29 and arriving in 12:07. Is that OK? Sentence2: Yes that works. Can you book it for 5 people and send me the reference number? Sentence3: That sounds perfect, I think that's all I need today. Thanks so much for your help. Sentence4: I need to book a train from bishops stortford to Cambridge on Saturday arriving in Cambridge before 12:30. Sentence5: Yes there is Hobsons house is in the west and has free wifi. Sentence6: Thanks! Can you also check and see what 3-star guesthouses you have? Sentence7: You're welcome, thank you for using our service! Sentence8: We are listing four guest houses. Which area of town are you looking for? Sentence9: Okay. The TR4549 leaves at 21:29. Will that suit? Sentence10: I'm sorry but there are no guesthouses that I can see on the East side of town, can I look in a different location? Sentence11: Okay, I need a hotel for same group of people for two nights starting Friday, and I'll need reference number, please. Sentence12: The east part of town, it should also include free wifi. Sentence13: Ok I have 5 tickets booked on TR4549. Your reference number is NTPYZBY4 . Sentence14: I have successfully booked the hotel for you! Your reference number is NKEKLJ0D . Can I help you with anything else? Sentence15: I actually need to leave after 20:30 on Friday. So whatever is closest to that time will be fine. Sentence16: Yes, are there any 3 star guesthouses in the west that include free wifi? Question: Who has spoken the sentence 8? (A) User (B) System


Output: Answer: (A) User