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

Q: Sentence1: Great, have a wonderful day and enjoy your taxi ride, thank you! Sentence2: What time would you like to arrive? Sentence3: No, that is all I need today. Thanks! Sentence4: i want to book a taxi. The taxi should depart from la Margarita and should go to riverboat Georgina. Sentence5: I have a white tesla booked. The contact number is 07032807056. Anything else today? Sentence6: I would like to arrive by 17:15. Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I'm looking for a nice Italian restaurant. Nothing too expensive...like mid range? Sentence2: Nope, I think that will do it. Thank you so much! Sentence3: Okay, I have booked you at Pizza Express with reference number NK86VOJY . May I help with anything else? Sentence4: I don't care about the area. Could you book a table for 5 at 12:30 on Sunday? Sentence5: I have listing for 5 different ones,can I get what area you are looking for? Sentence6: You are welcome. Have a good day. Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Ok. The price is 16.60 pounds for 1 ticket. Do you want me to book it? Sentence2: I need a train from london liverpool street station on wednesday. Sentence3: That's all the info I needed today, thank you for your help! Sentence4: Just one is fine. Sentence5: That should be perfect. How many tickets can I get? Sentence6: There is one train leaving at 7:39 arriving at 9:07 would that work for you? Sentence7: Yes, it's 88 minutes. May I help with anything else? Sentence8: Could you tell me the travel time please first? Sentence9: What is your destination, please? Sentence10: I am heading to Cambridge for an important visit. Can you get me there by 11:00? Sentence11: You can buy up to eight tickets. Sentence12: Thank you! Have a wonderful day! Question: Who has spoken the sentence 7? (A) User (B) System

A:
Answer: (B) System
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