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

[Q]: Sentence1: Yes, please. Could you book that for five people as well? Sentence2: The Gonville Hotel is rated 3 stars. There is free internet and parking. It is located at Gonville Place and their phone number is 01223366611. Sentence3: Booking was successful. Reference number is : 5C9C9Y4I . now i can help you book a train Sentence4: Thank you. That is all I need today. Sentence5: I have train TR8860 and leaves at 5:50 and arrives at 6:07. Would you like reservations? Sentence6: My companion and I will arrive on Monday, staying for 5 nights, could you provide me with the reference number? We will need to book a train as well. Sentence7: I would like some information on the gonville hotel Sentence8: Excellent. Could you book it for myself and my partner? Sentence9: Booking was successful, the total fee is 17.6 GBP payable at the station .Reference number is : THCMI67T . Sentence10: enjoy your time with us in Cambridge, enjoy! Sentence11: Sure. Can you confirm when you will be arriving and for how many nights you will be staying? Sentence12: uh why yes you are very perceptive. depart cambridge arrive by 9:45 leaves on sat going to ely Question: Who has spoken the sentence 7? (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: I would like moderate pricing. Sentence2: The Varsity restaurant and Bloomsbury restaurant are both in the moderate range. Do you have a preference? Sentence3: I would like to eat international food. Sentence4: There is no listing in the North,do you want to try a different area? Sentence5: I'm hoping to find a place to eat. Sentence6: Do you have any food type preferences? Sentence7: I would like to pick a restaurant in the north. Sentence8: I have 3 restaurants serving this type of food. Would you prefer cheap or moderate price range? Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System