instruction:
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
question:
Sentence1: Where will you be travelling to? Sentence2: Yes but I need that to be booked for 3 people. I would like the reference number please. I also need a place to stay as well. Sentence3: Sure thing, I would suggest this one acorn guest house. Sentence4: I will be traveling to Leicester and would like to arrive before 21:15. Sentence5: I would like a 4-star guesthouse in the north in a moderate price range. Sentence6: Great can you book that for me from Sunday for 2 nights for 4 people. Sentence7: I would like to arrive by 21:15. Sentence8: When could you like to arrive by? Sentence9: Your booking was successful. Your reference number is 7ZJ4CTTG . Will that be all for today? Sentence10: Booking was successful, the total fee is 113.4 GBP payable at the station. Your reference number is ABKFF3SH . What type of place are you looking for? Sentence11: I'm looking for a train that leaves from Cambridge on Tuesday. Sentence12: I have the TR8207 that will arrive by 21:06. Would you like me to book that for you? Question: Who has spoken the sentence 4? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: Yes, that sounds great! Can I get it for 8 people for 3 nights please, we'll be arriving Tuesday. Sentence2: Great. Are there any trains that go directly from Cambridge to Norwich? Sentence3: Thank you for using our service. Have a good day. Goodbye. Sentence4: Yes, there are several. The trip time is 79 minutes and the cost is generally 17.60 pounds. Can I tell you anything else? Sentence5: I am looking for a guesthouse please. Sentence6: Would you like to try the Alpha-Milton Guest House located in the North? Sentence7: No, that's everything I needed. Sentence8: Any area as fine, as long as it has 3-star accommodations. Sentence9: How about for 2 days? If it's available will you please book and provide a reference number? Sentence10: I'm sorry, the hotel is unable to accommodate your party. Can you arrive on a different day or stay for a different number of days? Sentence11: In what area would you like it to be? Sentence12: I have successfully booked it for 2 days, and your reference number is OUKN0U42 . Question: Who has spoken the sentence 6? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: I would like the reservation at 19:30 please. Sentence2: Do they have a table available for 5 people on Wednesday night? Sentence3: Can you try a different restaurant in the same area and price range? Sentence4: I'm sure I can. We have 17 chinese restaurants. Is there an area of town you'd prefer? Sentence5: Can you help me find a Chinese restaurant please? Sentence6: A table is reserved for you at Dojo Noodle Bar. Your reference number is AEQLOL33 . Sentence7: There is an asian oriental cheap restaurants called Dojo Noodle Bar. Would you like to book there instead? Sentence8: I am sorry there are no others in any other areas,could I check another price range? Sentence9: Thank you for all your help today. Sentence10: How about the Charlie Chan restaurant? Sentence11: What about another restaurant in a different area but same price range? Sentence12: Have a lovely day. Goodbye. Sentence13: I'm sorry but I was unable to make a booking. Could we try another day or time? Sentence14: I would like to be in the centre of town, and if it could be inexpensive, that would be ideal. Sentence15: I suppose that would be all right. Sentence16: For what time please? Sentence17: No thank you I need it in that area and pricerange. Sentence18: I am sorry there are no others in the same area and price range. Question: Who has spoken the sentence 17? (A) User (B) System
answer:
Answer: (B) System