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

[Q]: Sentence1: No I don't. Pick any of the 33 and give me the address and area, please. Sentence2: I have 33 entries that match your request. Do you have a star rating preference? Sentence3: Yes, what time does that train leave? Sentence4: The alexander bed and breakfast is a cheap 4-star guesthouse in the center, how does that sound? Sentence5: I don't need any specific area, just need a guesthouse that is cheap and includes free parking. Sentence6: Perfect. Thank you. That's all the information I need for Cambridge. You have been a great help! Sentence7: I need to find a Train leaving on Friday from London Liverpool Street and arriving in Cambridge. Sentence8: The TR5015 will get you there by 15:07. Would you like me to book you some seats? Sentence9: I have 10 trains as options. Do you have a time you want to leave or arrive by? Sentence10: Can you tell me what area it's in? And can you give me an address? Sentence11: Please book it for me.I also need a place to stay,a guesthouse with free parking ? Sentence12: The travel time is 88 minutes. Can I help you with anything else? Sentence13: Yes I'd like to arrive in Cambridge by 15:15. Sentence14: We hope you enjoy your stay. Goodbye. Sentence15: No thank you, may I please get the travel time of TR5015? Sentence16: Sure. What area would you like to stay in? Sentence17: Alexander bed and breakfast in found in the center of the town. Their address is 56 saint barnabas road. Sentence18: Thank you, I'm also looking for a place to stay. Can you help me find someplace? Sentence19: It would depart at 13:39 and arrive in Cambridge at 15:07. Sentence20: I have booked the train for you. The reference number is JN7FFTTY . Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I'm also looking for a train. It should depart Cambridge after 14:15 and arrive in Norwich on friday. Sentence2: I have a 3 star hotel and a 4 star hotel both in the centre. Would you like to book one of them? Sentence3: I'm looking for a hotel to stay at. I want it to be at least 2 stars and in the center of town. Sentence4: TR8314 departs Cambridge at 14:36 and arrives in Norwich at 15:55. Would you like me to book a ticket for you? Sentence5: 1 ticket on TR8314 has been booked. Your total is 17.6 GBP, which you can pay at the station. Your Reference number is : H0JS8RMF . Sentence6: I am not finding a 2 star in the centre. Are you sure there is not another type of hotel you would like? Sentence7: Do you have anything that is 2 star rated in the centre? Sentence8: YES PLEASE. FOR 1 PERSON. Sentence9: I have 2 options - one is cheap and one is expensive. Which price range would you prefer? Sentence10: Thank you for calling. Have a great day! Goodbye. Sentence11: I do need a place to stay, so are there any 4 star hotels available? Sentence12: we got none. can i help you with anything else? Sentence13: That is all I need. Sentence14: cheap will work. can you book it for Wednesday? 1 person, 2 nights. I'll need the reference number too. Sentence15: Thanks, that was all I needed today. Goodbye. Sentence16: I was able to book a room at Alexander bed and breakfast, your reference number is VWF48IZM . Is there anything else I can help with? Question: Who has spoken the sentence 12? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Thank you! I'm actually looking for places to go in town, some type of entertainment. Sentence2: I booked you a grey audi from nusha to j restaurant, to pick you up at 8:15. Contact number is 07366723589. Is there anything else I can do? Sentence3: it should leave by 08:15 Sentence4: How about nusha? It's in the south. Sentence5: No, I need a taxi from Nusha to the restaurant. Sentence6: No, thank you. That's all I need today. Sentence7: I don't have any information on the entrance fee, but their postcode is cb17dy. Can I help you with anything else? Sentence8: I'm looking for a cheap restaurant in the centre. Sentence9: I have 15 different restaurants matching your preferences, would you like a specific type of food? Sentence10: I hope you have a great stay. Goodbye. Sentence11: That sounds great. Can i get the postcode and is there a entrance fee? Sentence12: No, any one will be fine. Will you pick one and send me the phone number and postcode? Sentence13: Okay, what time do you need the taxi for? Sentence14: Okay, what time would you like to arrive in Nusha? Sentence15: The phone number to J restaurant is 01223307581. Sentence16: Yes, I need a taxi to get from the restaurant to Nusha. Question: Who has spoken the sentence 14? (A) User (B) System
[A]:
Answer: (A) User