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

Q: Sentence1: Okay, great. Have a safe trip. Goodbye. Sentence2: Yes please. I need it booked for 1 person for 2 nights starting tuesday. Can i get a reference number? Sentence3: I have found the allenbell guesthouse. It meets all of your criteria, is in the cheap price range, and provides internet and parking. Would you like me to book it? Sentence4: Thank you, that is it for today. Goodbye. Sentence5: The reference number for your booking is KEBFTR7I . Can I do anything else for you? Sentence6: I need a place with rated 4 stars in the east. Can you help me find one that like a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: There are 5 expensive Indian restaurants available in the west. Would you like me to book one of those for you? Sentence2: Can you help me find and expensive restaurant in the west? Sentence3: I would like to eat at an indian restaurant please. Sentence4: You are welcome. Thank you for calling Cambridge TownInfo Centre. Good bye. Sentence5: Yes, please choose one and book it for 6 people at 13:30 on Thursday. Sentence6: We have nine. What sort of cuisine would you like? Sentence7: No, that's it for today. Thank you for all your help. Good bye. Sentence8: Ok. I was able to book cocum on thursday at 13:30 for 6 people. Your reference number is LTZ2TPIA . Can I help you with anything else? Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I am looking for a train going to cambridge. Sentence2: Do you have a time you'd like to leave by? Sentence3: yes, please. I need the price and travel time. Sentence4: I would like to leave Broxbourne on Tuesday. Sentence5: That is for TR8361? Sentence6: Yes. TR8361 is 17.90 pounds. Would you like to buy a ticket? Sentence7: Sure, where are you departing from and what day? Sentence8: Your confirmation number is BAMJW6M2 . May I help you with anything else? Sentence9: I think you've answered all of my questions! Thank you so much! Sentence10: Not a problem. Have a good time! Sentence11: I'd just like to arrive by 16:45 please. Sentence12: TR8361 will arrive in cambridge by 16:32 on Tuesday, does this suit your needs? Sentence13: Thank you for your help. Sentence14: Yes I would like a ticket for one. Sentence15: You're welcome. Call us again when you need to. We're always here! Sentence16: The price is 17.90 pounds. The train leaves at 15:32 making the travel time one hour exactly. Is there anything else? Question: Who has spoken the sentence 11? (A) User (B) System

A:
Answer: (B) System
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