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

Q: Sentence1: The Warkworth House is a guesthouse in the East, it's moderately priced and rated 4 stars. I would love to assist you in booking a room if you would like? Sentence2: There are 5 parks in town. Did you have a certain area you prefer? Sentence3: It's actually not a museum, but considered an architecture attraction. Were you interested in a specific type of attraction? Sentence4: Cambridge university botanic gardens is a beautiful park. Its located at bateman street, costs 4 pounds to get in. Phone 01223336265, cb21jf. Will you need transportation? A train, taxi or bus? Sentence5: have a good day Sentence6: No, Is that a museum or a church. Sentence7: Oh, I suggest my favorite! It's Holy Trinity Church, beautiful architecture, and it's located on Market Street. It's free. Would you like their phone number? Sentence8: I have you at the Warkworth house. Would you like to change the reservations? Sentence9: i am looking for somewhere to go in the centre of Cambridge Sentence10: I think we would like it to be in the centre of town please. Sentence11: Yes your reference number is 53LJQ4H6 . Sentence12: No. That's perfect! Thanks for your help. Good bye. Sentence13: Yes, please. Can you reserve a room for Monday for 5 people, 3 nights? Sentence14: no. also find me a hotel by the name warkworth house Sentence15: Actually, I will need to book lodgings as well. Sentence16: Thanks! Can you suggest to me something to visit that isn't a church or architecture? Maybe a museum or a park? Question: Who has spoken the sentence 15? (A) User (B) System

A: Answer: (B) System
****
Q: 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

A: Answer: (B) System
****
Q: Sentence1: How about guesthouses with 0 stars? Sentence2: A 2 star would be good. I don't care about price range. Sentence3: No, I'll try the Galleria. Can you book a table there for 2 at 15:30 on Tuesday, and please provide me with the reference number? Sentence4: Yes. Please book for Tuesday for 2 people, 2 nights. Sentence5: Yes I would like european food. Sentence6: I'm looking for a restaurant in the centre area in the moderate price range. Sentence7: I have the El Shaddai guesthouse. It is cheap and in the centre of town. It has free parking and internet. Would you like me to book you a room? Sentence8: There are 2 to choose from. They are both good, but I like the Galleria personally. There are also a few that serve modern european food. Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : T7QJ1WB2 . Anything else you need? Sentence10: There are 21 places to dine at with moderate pricing, do you have a preference for cuisine type? Sentence11: I have 2 guesthouse and 2 hotels in the centre. Do you have a preference or a price range in mind today? Sentence12: Yes. I am also looking for a place to stay that's in the same area as the restaurant with free parking. Sentence13: How about 1 day stay? Sentence14: I'm sorry, we don't have any 2 star hotels or guest houses in that area. Would you like to try something else? Sentence15: Okay, have a great day! Sentence16: Booking completed. A red Toyota will pick you up and take you to the restaurant. Contact number for them is 07965351585. Anything else I can help you with? Sentence17: I apologize but I was unable to book the el shaddai for that day and stay duration. Would you be willing to book starting another day or shortening your stay? Sentence18: No, that'll be all. Thanks a lot for all your help. Bye! Sentence19: I also need a taxi to go between the two places. Sentence20: Your 1 day booking was successful. Your reference number is IHD90OCU . Can I help you with anything else? Question: Who has spoken the sentence 16? (A) User (B) System

A:
Answer: (A) User
****