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

[EX Q]: Sentence1: I'm looking for places to go in town. Maybe a swimming pool? Sentence2: I can help with that. There are 4 swimming pools available; they're in east, north, and centre. Would you like more information? Sentence3: I am unsure of the entrance fee, you will have to call the venue's for prices, would you like the phone numbers? Sentence4: There are two Asian places, would you liked me to book one of them? Sentence5: Thank you for using our service, and enjoy your time in Cambridge! Sentence6: Yes, I would like the phone numbers. I am also looking for a cheap asian restaurant. Sentence7: What are their prices? Sentence8: Yes I have two options: Nusha and Tenpin. Interested in either? Sentence9: I booked a Yellow Skoda, contact number 07937936752. It will pick you up from J Restaurant and bring you to Tenpin. Will that be all today? Sentence10: Sorry, I'm a little confused. Are you looking for information on the attraction Tenpin, or one of the restaurants? Sentence11: The restaurant please. Sentence12: It doesn't matter. Sentence13: Well instead, how about some kind of entertainment in the southern part of the city. Sentence14: The phone numbers are 01223902158 for nusha and 08715501010 for tepin. What area would are you looking for the restaurant in? Sentence15: Thank you can I get the area, postcode, and address of tepin? Sentence16: j restaurant is located at 86 Regent Street City Centre, postcode cb21dp. Sentence17: No, that will be all, thank you. You have been very helpful and also patient. Have a great day. Sentence18: I also need their address and postcodes please Sentence19: What is the entrance fee for those two options? Sentence20: The prices for these restaurants are cheap. Sentence21: The telephone number for the Dojo is 01223363471 and the telephone number for the J restaurant is 01223307581. Sentence22: Great! I'll also need a taxi to go between the two. I'll need to leave the restaurant by 08:00. Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Great I was able to book A and B guest house, the reference is VMWIVZV7 . Sentence2: I would like to book a table at the Italian restaurant for 8 people on Thursday at 14:45. Can I have the reference number for that as well? Sentence3: I'm looking for a place to stay in the moderate price range. It doesn't need to have free parking. Sentence4: Okay you're all set. Your reference number is U37O50HC . Is there anything else? Sentence5: Not a problem, have a great day! Sentence6: I was able to book a blue honda, phone number is 07521143616 Sentence7: It should be on the east side, and have free wifi, no food preferences though. Sentence8: I have 3 results for moderately priced guesthouses on the east side. All have 4 star ratings and free wifi, do you need parking? Sentence9: Yes, I would like to book a taxi from the hotel to the restaurant. Sentence10: Great thank you for all your help Sentence11: Thank you for your help in booking the hotel for me! Sentence12: I do not need free parking. Can you book one of them for Thursday? I have 8 people and we need to stay for 2 nights. Sentence13: I also also need a place to eat in the moderate price range in the same area as the hotel Sentence14: There are quite a number of hotels that fit your description. Any preferences in location or food served? Sentence15: You are welcome. Goodbye! Sentence16: Sure I have two Indian restaurants and one Italian restaurant pizza hut fen ditton matching your price and area preference. Do any sound good to you? Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: You're very welcome. Thank you and goodbye! Sentence2: The earliest train departs Leicester at 05:09 and arrives in Cambridge at 06:54. The cost is 37.80 pounds per ticket. Sentence3: That's all that I need. Sentence4: Any of those will work. Which one is your favorite and where is it located? Sentence5: I'll be departing from Leicester, headed to Cambridge. What do the prices look like? Sentence6: No problem. There are a lot of other options like boating, cinema, colleges, a concerthall, museums, nightclubs, a park, theatres and swimming pools. What are your interests? Sentence7: I also need a train on Wednesday, arriving by 19:00. Sentence8: I'm looking for something to do in the centre of town. Sentence9: Travel time is approximately 105 minutes. Sentence10: Would you like any more information on other attractions? Sentence11: I would really like it to be a attraction type. Sentence12: What is the travel time? Sentence13: Great! I found a lot of things that match what you're looking for. Do you like architecture? Sentence14: I can help you with that. What are the departure and destination cities you were looking for? Sentence15: No, that will be all. Thank You for all your help. Sentence16: I'd try the cambridge contemporary art museum, at 6 trinity street. Question: Who has spoken the sentence 13? (A) User (B) System
[EX A]:
Answer: (B) System