You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: I can get you a ticket on the tr8495 it will get you there by 10:55, or is that too early? Sentence2: I'm sorry I changed my mind. I just need the price per ticket please. Sentence3: I'll be going from Cambridge to Norwich. Sentence4: Yes. Please reserve for 5 people on Monday at 14:00. Sentence5: Have a great day and enjoy your time in cambridge. Sentence6: No that sounds good,please book it for me Sentence7: I also need a moderate restaurant in the town centre that serves European food. Sentence8: The price is 17.60 pounds sterling. Can I help with anything else? Sentence9: How many tickets will you be needing? Sentence10: Booked. The table will be reserved for 15 minutes. Reference number: XLZVMYRL . Sentence11: I need to take a train to here. I want to arrive by monday at 17:15. Sentence12: Great. I can't wait. Thanks! Goodbye! Sentence13: The riverside brasserie serves modern european food. Would you like to make a reservation today? Sentence14: Okay, there are plenty of options. Where are you headed? Question: Who has spoken the sentence 11? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Price doesn't matter. Do they have free parking? Sentence2: I need an expensive restaurant in west Cambridge. Sentence3: No I just need the reference number for the reservation for 3 people on Sunday at 16:15. Sentence4: Give me the address and phone number for the one you most recommend Sentence5: There are 33 options for lodging in town. Do you have a preference for area, price range, type, or star rating? Sentence6: No I am good! I do not need a taxi. Sentence7: Yes, both the establishments offer free internet as well. Sentence8: Do they have free wifi also? Sentence9: I would like a place to stay Sentence10: There are two places that meet your search criteria. Did you have a price range in mind? Sentence11: I have 5 restaurants that match what you're looking for. Would you like to try Tandoori Palace? Its located at 68 Histon Road Chesteron. Sentence12: No I believe we have got everything done. Goodbye. Sentence13: Do they offer free parking? Sentence14: I want Indian food. Sentence15: In terms of type, I want a hotel. And I'd like 4 stars and wifi as well, with a location in the south Sentence16: Happy to help. Have a great day. Sentence17: Yes, they do offer free parking. Can I book a room for you? Sentence18: We have several to choose from. Did you have a specific cuisine in mind? Sentence19: Sure. The reference number is CBAGG03S and your table will be reserved for 15 minutes. Is there anything else today? Sentence20: No thank you. I have all the info I need. Sentence21: Rosa's Bed and Breakfast is the one I recommend. It's address is 53 Roseford Road and it's phone number is 01223512596 Sentence22: Yes as a matter of fact they do. Sentence23: Will you need a taxi to get to tandoori palace? I can help with that. Sentence24: Can I help you with anything else today? Sentence25: I will book that for you. Would you like the phone number in case you change your mind? Sentence26: Sure, can I get a reservation for Sunday at 16:15? I will need a table for 3. Question: Who has spoken the sentence 16? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: Hi I'm looking for a train that goes to Cambridge and it should leave on Wednesday and arrrive by 10:15. Sentence2: Where are you going to depart from? Sentence3: The travel time is 163 minutes. Shall I book the tickets? Sentence4: I'll be traveling to Birmingham New Street. Could you give me the travel time for that train? Sentence5: No. I am also looking for attractions, a swiming pool in the south. Sentence6: There are 49 trains, where would you like to leave from? Sentence7: What is their address? Sentence8: There are four trains that meet your request, would you like me to book one for you? Sentence9: The Junction is a theatre in the south. Their phone number is 01223511511. Sentence10: No, why don't you try a theatre, instead. Sentence11: I am departing from Cambridge Sentence12: I am departing from cambridge. Sentence13: Yes, please, what is the travel time? Sentence14: The junction is located on Clifton Way, Their phone number is 01223511511 if you need more precise directions. Sentence15: Thank you for your assistance today. Have a great day! Sentence16: There are no swimming pools in the north. Would you like one in the centre instead? Sentence17: Ok great, I have 52 trains departing from cambridge. Where will you be traveling to? Sentence18: You're welcome! Please contact us again if you need any additional assistance. Have a great day! Question: Who has spoken the sentence 1? (A) User (B) System

Answer:
Answer: (B) System