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

[Q]: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: That is all I need for today. thank you. Goodbye. Sentence2: I have 7 available. The first leaves at 17:32, and arrives at 18:32. Would you like me to book that for you? Sentence3: I'll be departing from Broxbourne and I'd like to go to Cambridge. Sentence4: I'm not looking to book at the moment, can I just get the train ID? Thanks! Sentence5: Okay glad I could help. Enjoy your trip. Sentence6: I'd like to find a train that leaves after 17:00 on Saturday. Sentence7: Of course! TR0811 leaves at 17:32, arrives at 18:32, with a duration of 60 minutes. The price is 14.32 pounds. May I assist you with anything else? Sentence8: Absolutely, I need departure and destination information and a time you need to arrive by. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: What day are you leaving? Sentence2: Can you give me the phone number to the closest one to my location? Sentence3: I am wanting to leave on Sunday after 18:30. Sentence4: Oh, I'm not gonna book right now. Do you know how long the trip will take? Sentence5: Find me places to go in town. I want to go to museum type attractions. Sentence6: Yes the phone number is 01223314960. Sentence7: I have 11 museum type locations in the city centre, would you care to see a listing? Sentence8: I have the TR1526 leaving at 09:11. How many ticket please? Sentence9: I also need a train to Cambridge departing from Kings Lynn Sentence10: No thank you Sentence11: If that's all, then I hope you enjoy your time in Cambridge! Have a great day. Sentence12: that trip will take 47 minutes. anything else today? Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System