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

[Q]: Sentence1: I am planning a trip in Cambridge Sentence2: I found the express by holiday inn cambridge. It is a 2 star expensive hotel free parking and internet. The address is15-17 norman way, coldhams business park. Sentence3: Where will you be departing from? Sentence4: Thanks! i'm also looking for a place to stay in the east. Sentence5: I need to first find out what train will take me away after I am done. I need to get to Peterborough on Sunday by 21:45 Sentence6: Departing from Cambridge. I need the departure time, train ID and price. Sentence7: Okay, we've got a few options. The best looks like train TR6958 that leaves Cambridge at 20:34 and arrived in Peterborough at 21:24. The price is 13.2 pounds. Sentence8: That sounds like fun! What information can I help you find? Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I don't have a preference. Can you recommend one? Sentence2: Thank you that's all the help I need. Goodbye Sentence3: I can work on booking this for you. Sentence4: Sounds great, thanks. I am also looking for a restaurant in the Centre that serves gastropub food. Sentence5: I'm looking to visit a museum in Cambridge. Can you tell me a little about what you have? Sentence6: I would also like to book a taxi to get between the museum and the restaurant. Sentence7: I will make a booking for backstreet bistro,Booking complete here is your reference number T9TB8FBO . Sentence8: I need to arrive at the restaurant by 14:45. I'll need the contact number and car type as well please. Sentence9: Sure. Is there anything else I can assist you with today? Sentence10: It really doesn't matter money is no object. I need a table for 8 on thursday at 14:45. As long as its a gastropub in the centre of town Sentence11: Okay I have booked your taxi. The contact number is 07498867892 and the car is a blue tesla. Sentence12: Cambridge Artworks is a great place and has free entry. Their address and phone number is 5 Greens Road 01223902168. Sentence13: awesome! thanks for all the info Sentence14: There are 23 museums that match that criteria. What area should the museum be in? Sentence15: Okay, there are 3 different restaurants. What is your price range? Sentence16: Thanks for using our service today! Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: There are four expensive Chinese restaurants in the centre of town. Would Ugly Duckling suit you? Sentence2: No that's all, thank you! Sentence3: Yes, I'd like the address please. Sentence4: Yes, I know it would work, I am the one you asked, lol. Can you just give me the address and phone number though? Sentence5: You're welcome, have a great day. Sentence6: Their address is unit su43, grande arcade, saint andrews street and their postcode is cb23bj. Sentence7: I need something in the Center of town. Sentence8: Thanks, I am also looking for somewhere to go in the centre area. Sentence9: Their address is 12 St. Johns Street City Centre. Unfortunately their phone number is not available. Sentence10: Yes Ugly Duckling would work. Would you please reserve it for me and send me the reference number? Thank you. Sentence11: Yu garden is in the expensive price range in the east part of town. Sentence12: Castle Galleries is a museum in the centre and it's free. Would you like the address or another option? Sentence13: I am looking for an upscale Chinese food restaurant in Cambridge; can you make a recommendation? Sentence14: That sounds fine. Can you give me the address and phone number? Question: Who has spoken the sentence 13? (A) User (B) System
[A]:
Answer: (B) System