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

Q: Sentence1: I'm sorry. I changed my mind. I don't want a guesthouse. Are there any hotels with 2 stars? Sentence2: Great that was all I needed today, thank you. Sentence3: Is there a particular area you would like to stay in? Sentence4: There isn't a guesthouse with 2 stars and free internet available. Is there another type of hotel I can look up for you? Sentence5: Great Glad I could be of help to you. Sentence6: I have you booked in the Ashley hotel. Your reference number is CW6YMT0B . Is there anything else I can do for you today? Sentence7: No, just any 2-star hotel with free wifi will do. Sentence8: Hi, I need a guest house please. Sentence9: Do you have a specific location you want to be? Sentence10: No, but I need free wifi and I would like a 2 star guesthouse please. Sentence11: I have 3 guesthouses all in the moderate price range. Would you like me to choose one for you? Sentence12: I found 3 for you all in the expensive price range. Can you please give me the details so that I may book it for you? Sentence13: Yes, how about a guesthouse with 3 stars and free wifi instead? Sentence14: I would like it for 6 people for 2 nights starting on Wednesday. Question: Who has spoken the sentence 11? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: What time would you like to leave by? Sentence2: Great, I have booked you a white Honda the Contact number is 07767407244. Anything else I can help you with. Sentence3: I would like to book a taxi to hughes hall please. Sentence4: I would like to arrive by 19:00 if possible. Sentence5: I will be departing from the river bar. Sentence6: nope thats all thanks Sentence7: Where will you be departing from? Sentence8: It was my pleasure to assist you with that. Hoping you have a great day. Goodbye. Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I would like to get there by 21:30. Sentence2: There are several trains going to stevenage on Monday, do you have a time preference? Sentence3: Okay, we have train's leaving at 05:21 and every hour after for seven hours. Would you like to book one? Sentence4: it was my pleasure to help. goodbye. Sentence5: I also need a train. Leaving Cambridge on Monday. Sentence6: Your tickets are booked for train TR9082. The total fee is 25.6 GBP. Your reference number is WSUH42EM . Is there anything else? Sentence7: I have a taste for something British. Sentence8: There's Graffiti and Travellers Rest. Which one of the two restaurants do you like? Sentence9: OK, where are you headed and at what time of day? Sentence10: Ok, there are three options in that area. Do you have a certain price range? Sentence11: i want to go to stevenage Sentence12: Travellers Rest sounds good please make a booking for 2 people at 17:00 on sunday. Sentence13: Your table for 2 has been reserved at Travellers Rest and your reference number is BSEJZQE6 . They'll hold the table for 15 minutes past 17:00. Need anything else today? Sentence14: Just book one that will get me to Stevenage by 21:30 please. 2 Tickets, just like dinner. Sentence15: I want a place to eat in the west. Sentence16: I want the most expensive one. Sentence17: Do you have a particular type of food in mind? Sentence18: Thank you for the booking and reference number. I'll let you know if I need anything else. Question: Who has spoken the sentence 5? (A) User (B) System

A:
Answer: (B) System
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