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

[Q]: Sentence1: Yes, can I get a table for 4 on saturday at 15:15? Sentence2: Hi! Can you help me find a particular restaurant? Sentence3: unfortunately they are filled up for that time would you like me to reserve another time or would you like to choose another restaurant. Sentence4: Of course, there are 110 restaurants in town. Would you like me to search by restaurant name? Sentence5: The Varsity Restaurant serves international food in the center of town. Do you want me to book it for you? Sentence6: Excellent. I'll need the reference number. Sentence7: Yes, I am looking for the Varsity Restaurant. Sentence8: Yes, I will book a table for 4 on Saturday at 15:15. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Is there anything else I can help you with Sentence2: Okay! What is your departure site? Sentence3: Okay, I've got you a black bmw with the contact number 07083984796. Sentence4: Thank you so much! Sentence5: I need to book a taxi to come pick me up by 10:30 to take me to Midsummer House Restaurant. Sentence6: I'm coming from city stop restaurant. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Can you give me their phone number please? Sentence2: I need a train to cambridge that will get me there by 20:30. Sentence3: Actually, yes. Can you help me locate a college to visit? Sentence4: No, that won't be necessary. I do need the departure time, and travel time though. Sentence5: Yes, their number is 01223336233. Is that all for you today? Sentence6: Alright, where will you be departing from? Sentence7: That's everything thanks. Sentence8: The train should depart from bishops stortford and leave on Thursday. Sentence9: Ok perfect! I have TR0060 which will arrive by 20:07. Would you like me to book this for you? Sentence10: Churchill college is in the west part of town. Sentence11: You are very welcome! I hope you have a fantastic time and enjoy your day! Sentence12: TR0060 will depart Bishops Stortford at 19:29, and it will take 38 minutes for your trip. Is there anything else I can help you with today? Question: Who has spoken the sentence 11? (A) User (B) System
[A]:
Answer: (B) System