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

Sentence1: I am looking for a particular hotel. Its name is called autumn house Sentence2: Thank you goodbye Sentence3: Could you try Wednesday, instead? Sentence4: You're welcome. Thank you for calling and goodbye. Sentence5: That's for 8 people and it's for 2 nights. Sentence6: Booking was successful. Reference number is : 3H0WHD4Z . Sentence7: No thanks. Would you book the Autumn House for me starting on Monday, please. Sentence8: I'm sorry, your booking was unsuccessful. Would you like to book another day or a shorter stay? Sentence9: How many people would be staying and how many days will you be staying? Sentence10: I have the Autumn House. It is at 710 Newmarket Road. Would you like the phone number? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Might I suggest the Autumn House. It is a cheaper guesthouse that offers both free parking and free internet. Would you like more info for them? Sentence2: It really doesn't matter. I don't need internet. I just for sure want a 4 star place. Sentence3: Thank you! Can you also get me a train going to Cambridge that day? Sentence4: Sure. There are six different options in that area. What were you looking for as far as price range and amenities? Sentence5: Is there anything else that you need? Sentence6: I need a 4 star hotel in the east, please. Sentence7: I think this is what I needed. Thanks. Sentence8: Sure! I just need to know where you plan on departing from and what time you'd like to leave. Sentence9: Booking was successful. Reference number is : 544D87NG . Sentence10: I need a room for 4 for 4 nights starting on Tuesday. Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Yes, there are 5 Indian restaurants in the west. May I recommend Tandoori Palace on Histon Road, Chesterton. Sentence2: Great I'm also looking for an expensive restaurant in the west part of town Sentence3: Their address is 68 Histon Road Chesterton and the phone number is 01223506055. Will there be anything else I can assist you with today? Sentence4: Sure. I'm leaving from Kings Lynn sometime after 12:45 on Monday. Do you have anything? Sentence5: I have no Italian food available. Sentence6: I have several. What type of food are you looking for? I have British, Chinese, Indian and Gastropub food to choose from in this price range. Sentence7: OK, thanks for using Cambridge TownInfo centre. Have a great day! Sentence8: Ok no problem. Is there a place that serves Indian food instead? Sentence9: Okay, you are booked for 7 people on TR4329, your reference number is S9WXSL0O . Sentence10: The earliest train after that time is TR4329. It leaves at 13:11 and arrives in Cambridge at 13:58. Would that work for you or would you like a later train? Sentence11: That sounds great. May I have the address and phone number for the Tandoori Palace, please? Sentence12: That will work. Can you book 7 tickets for that one please? Sentence13: May I ask where you are leaving from? Sentence14: It should serve Italian food. Sentence15: Hi, I'm looking for a train to Cambridge on Monday Sentence16: Thank you. That is all that I need. Question: Who has spoken the sentence 4? (A) User (B) System

Answer: (A) User