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

[Q]: Sentence1: Yes sir! Soul tree nightclub is a good one. they are at 8 market passage, postal is cb23hx and phone number is 01223519224, is there anything else that I can assist with? Sentence2: Pick a good one for me. I need the phone number and postcode for it too. Sentence3: Sala Thong is an expensive Thai place in the west. They're located at 35 Newnham Road, cb39ey. Sentence4: Can't wait to come party at one of your nightclubs in town. Sentence5: There are 5 nightclubs in the centre and one in the south. Would you like more information on one of them? Sentence6: Thanks, that is all for today. Goodbye. Sentence7: You're welcome, have a good day. Sentence8: Can you give me information on a restaurant called Sala Thong? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I would prefer the north please. Sentence2: I have found 13 of them. Can you please be more specific about what you would like? Sentence3: I'd like to find a college to visit in the center of town. Sentence4: No thank you that will be all Sentence5: I would suggest the acorn guest house it is a great place to stay. Sentence6: That will be fine. I'll need to book for Saturday, 3 nights, and 1 person. Sentence7: You're all set! Your reference number is 41BK9PC7 . Sentence8: moderate price range thank you Sentence9: There are 32 hotels that offer free internet, is there a price range or area you prefer? Sentence10: Actually one more thin, I need a taxi from the hotel to the restaurant, I want to leave at 09:45. Sentence11: Thank you! Can you also help me find a place to stay with free wifi? Sentence12: I narrowed it down to 17. What part of town would you prefer and do you want free parking? Sentence13: No that will be it for today. Sentence14: I recommend Emmanuel college. Their address is saint andrew's street Sentence15: Okay, I booked a yellow honda and their contact number is 07225232221. Do you need help with anything else? Sentence16: You can choose one for me and give me the address. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: thank you for helping Sentence2: I also need a taxi from my room to the restaurants by the time of my reservation. Sentence3: Booking was successful. Reference number is : VDQW6MG8 . What else can I do to assist you today? Sentence4: You're most welcome. Can I help you with anything else today? Sentence5: I don't know if you've heard of it but can you please get me some information on the la tasca restaurant? Sentence6: I would like to book the Acorn for 2 people for 5 nights starting Sunday. Sentence7: Great! will you please book that for 2 people at 17:30 on Sunday? Sentence8: Happy to help - la tasca is a Spanish restaurant with a moderate price point located in the centre. Sentence9: I need a place to stay, a hotel in the north. Preferably in the guesthouse category Sentence10: Acorn guest house is available, would you like to stay there? Sentence11: OK, it was a pleasure helping you. Have a great time in Cambridge. Goodbye. Sentence12: No that was everything, thank you! Sentence13: Does that include wifi? I don't want it to be too expensive. Sentence14: Booking is complete. I have you booked with a black Audi. Contact number 07873880008. It will pick you up at 17:15. Is there anything? Sentence15: Alright, the table will be reserved for 15 minutes. Your reference number is: AO0MS4Q3 . Sentence16: It does include wifi. It is moderately priced. Question: Who has spoken the sentence 12? (A) User (B) System
[A]:
Answer: (A) User