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

[Q]: Sentence1: Tuesday, going to Cambridge please. Sentence2: The TR8685 arrives by 5:52 and costs 4.40 pounds. Can I book some seats for you? Sentence3: You're welcome. Have a great day. Goodbye. Sentence4: The Broughton House Gallery is located at 98 King St and has free admission. Sentence5: The train should leave on tuesday and should go to cambridge and arrive by 10:15 Sentence6: Thank you, that sounds fine. I see you have included the address and the entrance fee. That's all I need. Thanks very much. Sentence7: Great thank you I also am looking for some place to go in the centre of town. Sentence8: Please for 8 people. Sentence9: I'm looking for a train that arrives by 10:15 and departs from Ely Sentence10: Your booking was successful. The total fee is 35.2 GBP pounds payable at the station and your reservation number is 1OBF5WF2 Sentence11: No problem! What day would you like to leave? Sentence12: Any departure time in mind? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Okay! What time do you need it for? Sentence2: Can I help you with anything else? Sentence3: That is all I need today thank you. Sentence4: I need to arrive by 04:45 Sentence5: I need a taxi to come to curry garden and take me to nandos. Sentence6: Have a wonderful day! It was a pleasure to serve you. Sentence7: That is all. Good bye. Sentence8: I have booked you a white volvo, contact number is 07985113779. Is there anything else? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: No, that's it. Thanks. Sentence2: That sounds great! Can I book a talbe for 7 people at 17:30 on Wednesday? Sentence3: Eraina is an expensive European restaurant in the city centre, would you like me to book that for you? Sentence4: Can you help me find an expensive restaurant in the town centre? Sentence5: Thank you for contacting us. Have a great day. Sentence6: I was thinking maybe trying something european. Sentence7: There are many high class restaurants in town centre, is there a particular cuisine you'd prefer? Sentence8: Your booking was successful. The table will be reserved for 15 minutes. The reference number is 0UD63QC0 . Can I assist you with anything else today. Question: Who has spoken the sentence 7? (A) User (B) System
[A]:
Answer: (B) System