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

Ex Input:
Sentence1: I can book you at the university arms hotel. It has a 4 star rating, free parking and wifi. Does this interest you? Sentence2: What will be the first day you will stay and how long will you be staying? Sentence3: I'm sorry but you'll have to book another day or a shorter stay. When would you like to stay? Sentence4: Yes. That would be great. Sentence5: Awesome, thanks! I think that takes care of everything I needed. Sentence6: Booking completed! Please look out for a Grey BMW, their contact number is 07130839627. Is there anything else I can help with? Sentence7: Certainly. I have many available. Is there a particular area you are looking in? I have several in the west and centre. Sentence8: Can you see if they have just 1 night available? Sentence9: I want to stay for 5 nights starting on Tuesday. Sentence10: Corpus christi is 2 pounds, which is in centre. Sentence11: Can you give me the entrance fee for one of the colleges in the centre? Sentence12: Okay great please enjoy your stay and don't hesitate to call us back if you need anything else. Sentence13: I am traveling to Cambridge and excited about seeing location attractions. Could you help me find a place to go, like a college? Sentence14: I need a taxi please between the 2 places. I want to leave the attraction by 2:30. Sentence15: Your booking was successful with a reference number of S1HTVV32 . Is there anything else I can do for you today? Sentence16: I'm also looking for a hotel in the centre. I don't want to stay in a guesthouse. It needs to be a hotel. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Help me find a moderate priced british food place please. Sentence2: Your reference number is T790DS3O and the total fee is 35.2 GBP, which is payable at the station. Sentence3: We will have to start over now. Sentence4: Not at this time. Could I just get the phone number? Sentence5: Yes please book it for 8 people Sentence6: Yes, restaurant one seven is located in the centre. Sentence7: Perfect, could you just tell me their phone number? Sentence8: you are welcome any time Sentence9: I also need a train from Ely to Cambridge on Tuesday to arrive by 12:30. Sentence10: I will work on booking this and be right back with you. Sentence11: No, that should be all. thank you very much. Sentence12: Is that restaurant in the Centre? Sentence13: TR3412 leaves at 11:35 and arrives at 11:52. Will this one work for you? Sentence14: Yes, sorry. Tuesday, leaving Ely and getting to Cambridge by 11:30. Sentence15: Okay, well I suppose this is goodbye then. Sentence16: The phone number is 01223337766 Sentence17: Actually, I need to change my reservation. I need the train to arrive by 11:30 instead. Sentence18: Thank you for using the Cambridge TownInfo centre. Goodbye Sentence19: I need it for 8, as I said. Do you have the reference number? Sentence20: Your updated train is now TR4669. Your new reference number is 2T4NNGG9 . The total fee remains the same. The train departs at 09:35 and arrives at 09:52. Anything else? Sentence21: Their phone number is 01223337766. Do you need assistance with anything else? Sentence22: restaurant one seven is a nice place. Do you want to book? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Do they have free internet? Sentence2: No that was all I needed. Thank you. Goodbye. Sentence3: Yes sure. It is cb30aq. Sentence4: Thanks! I also need information on Leverton House. Sentence5: Yes, there is free internet and free parking. It is a guesthouse. Do you need more information? Sentence6: You should try Kettle's Yard on Castle street. It is free. Phone # 01223748100. Sentence7: I'd like something in the cheap price range please. Sentence8: Can you give me the postcode for Kettle's Yard? Sentence9: What would you like to know? Sentence10: Are there any museums I could go to in the west part of town? Thanks. Sentence11: Thank you for using our system today. Sentence12: There are 7 Museums in the west area, how much did you want to spend to enter? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:

Answer: (B) System