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

Ex Input:
Sentence1: Tuesday, going to Cambridge please. Sentence2: The TR8685 arrives by 5:52 and costs 4.40 pounds. Can I book some seats for you? Sentence3: You're welcome. Have a great day. Goodbye. Sentence4: The Broughton House Gallery is located at 98 King St and has free admission. Sentence5: The train should leave on tuesday and should go to cambridge and arrive by 10:15 Sentence6: Thank you, that sounds fine. I see you have included the address and the entrance fee. That's all I need. Thanks very much. Sentence7: Great thank you I also am looking for some place to go in the centre of town. Sentence8: Please for 8 people. Sentence9: I'm looking for a train that arrives by 10:15 and departs from Ely Sentence10: Your booking was successful. The total fee is 35.2 GBP pounds payable at the station and your reservation number is 1OBF5WF2 Sentence11: No problem! What day would you like to leave? Sentence12: Any departure time in mind? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No thank you. I do need help finding places to go in town. I'm looking for entertainment in the centre of town. Sentence2: The Alexander bed and breakfast is located in the centre. The phone number is 01223525725. Sentence3: Okay! Just to clarify, from where will you be departing? Sentence4: the address is 56 saint barnabas road Sentence5: what's their address? Sentence6: There are several available. Do you have a preference on if there is a fee or free? Sentence7: I dont see any entertainment in the center of town. Could I try a different area for you? Sentence8: I'd like to stay in a good part of town. Can you please give me the phone number? Sentence9: Okay, how about 2 stars? It does need to include free parking. Sentence10: Great! I have booked a taxi for you. The car will be a yellow audi, and the contact number is 07663388074. Can I help with anything else? Sentence11: ashley hotel is a nice 2 star hotel. Sentence12: Okay, christ's college is free admission. Sentence13: How about a college instead? Sentence14: There are actually no 1-star accommodations anywhere in Cambridge. Sentence15: It is a guesthouse. Want me to book it? Sentence16: Free would be preferable. I also need a taxi. Sentence17: I need a place to stay in Cambridge. It should be either a hotel or guesthouse with 1 star and moderate price range. Can you help me with that? Sentence18: What hotel type is that? Sentence19: I would also like to book a taxi to and from the hotel that leaves by 13:30. Sentence20: I am so sorry. I don't know where my head has been. I need to leave the hotel by 13:30, going to Christ's College. Sentence21: At 4 stars you have many options. What part of town would you like to stay in? Sentence22: you have been of great help thank you Sentence23: How about a hotel with 4 stars instead? Sentence24: I am glad. thanks you too. Question: Who has spoken the sentence 23? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I reserved a room for you with reference number AOYFLXPT . Is there anything else I can help you with today? Sentence2: Okay, when do you want to leave the hotel? When do you want to arrive at the restaurant? Sentence3: Yes they are. Still on the north side, woudl to liek me to book you or give you their contact info? Sentence4: I want to go from the Alpha-Milton to Bangkok City by 14:15. Sentence5: Thank you. I also need a taxi to get between the two. Sentence6: I am also looking for thai food in centre please. Sentence7: Great. Can you reserve a room for me for Thursday? There will be 2 of us and we would like to stay for 2 nights. Sentence8: No, that's all I need. Thank you for your help. Sentence9: sure, just to clarify: do you need a taxi to take you from the hotel to the restaurant? or vice versa? Sentence10: I can reserve at the restaurant named Bangkok City Sentence11: Glad you chose us, enjoy your day. Sentence12: i need to get from the hotel to the restaurant Sentence13: Okay please book a table for the same group of people at 14:15 on the same day. Sentence14: I reserved a grey Ford for you. The contact number is 07711417288. Can I help you with anything else? Sentence15: Is the alpha-milton guest house still in operation? Sentence16: I have made those reservations and your reference number is S7RZRH3P . Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:

Answer: (A) User