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

Example Input: Sentence1: Please check again for a college in any area. Sentence2: Hmm, I think we are getting confused on what I need. I really need to find a hotel with 4 stars in the east. Or a guesthouse will do also. Sentence3: I'm sorry, we do not have any college listings. Sentence4: I think allenbell would suit you well. Would you like more information? Sentence5: Gonville and Caius college is quite interesting. Their post code is cb21ta. Their address is trinity street. Sentence6: Thanks, I will need a taxi from the guesthouse to the attraction. I'd like to leave the guesthouse by 24:30. Sentence7: Could I get the postcode, phone number and whether they have free parking? Sentence8: There are 4 museums in the east. Any preferences? Sentence9: There's Christ's College on Saint Andrew's Street. It's in the centre and free. Are you interested? Sentence10: Yes. Can I get the postcode? Sentence11: The Allenbell's postcode is cb13js. Their phone number is 01223210353 and yes they do have free parking. Would you like to book this one? Sentence12: The centre is fine and free would be great! Sentence13: there are no colleges in the east, can i look somewhere else? Sentence14: A majority of our colleges are in the centre, but not all of them have free admission, are you looking for one with no entrance fee? Sentence15: Thanks. I also need an attraction to visit in the college category. Any suggestions? Sentence16: Yes I would like to go to a college regardless of the area. Sentence17: Thank you very much. Sentence18: I need a place to stay. I would like a 4 star place in the east area. Sentence19: Yes, I'd like a place that includes free wifi and it should be a hotel. Sentence20: In the west I have two 4-star hotels - the cheap Cambridge Belfry and the expensive Huntingdon Marriott. Sentence21: No, it would not. What do you have in the west area? Sentence22: Okay, what about Museums in the east? Sentence23: I'm afraid all of our 4-star accommodations in the east are guesthouses. Would one of those suit you? Sentence24: Okay great, have a good night! Sentence25: Alright, got you a grey Toyota taxi to pick you up from the Allenbell at 24:30. Contact number is 07330473463. Anything else I can do for you? Sentence26: Sure we have 6 places, do you have any other preferences? Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I'm sorry the full address isn't listed would you like there postcode and phone number? Sentence2: They are on Wheeler street and phone is 01223357851 Sentence3: No but I also need a hotel called university arms hotel. Sentence4: It is a theatre located in the centre on wheeler street. Sentence5: Can you provide their full address please? Sentence6: I'd like to visit an attraction called the Cambridge Corn Exchange. What can you tell me about it? Sentence7: I was able to find university arms hotel located at regent street. Would you like me to book a room for you? Sentence8: Before we do that, what type of attraction is the Cambridge Corn Exchange? I don't know too much about it. Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I am looking for some entertainment in town. Sentence2: They both work for me. Can I have the addresses of both please? Sentence3: The broughton house gallery is free entrance. Can I help you with anything else? Sentence4: Do you know what you are looking for? Do you want a museum or maybe the Cinema? Sentence5: I'm looking to take a train on Friday from Stevenage. Sentence6: There is broughton house gallery located in the centre or cambridge artworks located in the east. Both are free. Do either work for you? Sentence7: Thank you, have a great day! Sentence8: That's fine. How many tickets would you like? Sentence9: Broughton House Gallery is located at 98 King Street and Cambridge Artworks is at 5 Greens Road. Sentence10: I think Broughton House Gallery will work better for me. Can you tell me the entrance fee, please? Sentence11: What museums are there? Sentence12: Book me the train leaving at 7:54 please. Sentence13: No, I think that does it. Thank you for your help. Sentence14: I have 10 trains departing from Stevenage on Friday. They depart every 2 hours beginning at 05:54. Can I book one for you? Sentence15: You will arrive by 08:43 and your reference number is W1RIE69Y . Sentence16: Just one ticket please. Can you also tell me the arrival time? Question: Who has spoken the sentence 10? (A) User (B) System
Example Output:
Answer: (A) User