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

Sentence1: Okay. Riverboat Georgina is a boating attraction in the north. How about that? Sentence2: I don't have a preference. I just need it in the same area. Sentence3: What star rating do you prefer? Sentence4: Booking was successful! Your reference number is 8GLX5O9J . Is there anything else I can do for you? Sentence5: Yes please, I need 2 nights for 8 people and we will be arriving on Tuesday. Sentence6: Looking for a hotel that is in the north part of town. Sentence7: I recommend the Alpha-Milton Guest House on 63 milton road. Would you like me to go ahead and book you a room? Sentence8: The hotel should be in the north and doesn't need to include internet.and should be in the moderate price range Sentence9: Can you help me find an attraction to visit that is in the same area as my hotel? Sentence10: Absolutely, their phone number is 01223902091. Sentence11: Sure, there are four attractions in the north. Do you prefer boat, park, or swimmingpool? Sentence12: Thanks. That's all I needed for today. Sentence13: That sounds great, could I get their phone number please? Sentence14: Okay, have a wonderful visit! Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: No I don't. Pick any of the 33 and give me the address and area, please. Sentence2: I have 33 entries that match your request. Do you have a star rating preference? Sentence3: Yes, what time does that train leave? Sentence4: The alexander bed and breakfast is a cheap 4-star guesthouse in the center, how does that sound? Sentence5: I don't need any specific area, just need a guesthouse that is cheap and includes free parking. Sentence6: Perfect. Thank you. That's all the information I need for Cambridge. You have been a great help! Sentence7: I need to find a Train leaving on Friday from London Liverpool Street and arriving in Cambridge. Sentence8: The TR5015 will get you there by 15:07. Would you like me to book you some seats? Sentence9: I have 10 trains as options. Do you have a time you want to leave or arrive by? Sentence10: Can you tell me what area it's in? And can you give me an address? Sentence11: Please book it for me.I also need a place to stay,a guesthouse with free parking ? Sentence12: The travel time is 88 minutes. Can I help you with anything else? Sentence13: Yes I'd like to arrive in Cambridge by 15:15. Sentence14: We hope you enjoy your stay. Goodbye. Sentence15: No thank you, may I please get the travel time of TR5015? Sentence16: Sure. What area would you like to stay in? Sentence17: Alexander bed and breakfast in found in the center of the town. Their address is 56 saint barnabas road. Sentence18: Thank you, I'm also looking for a place to stay. Can you help me find someplace? Sentence19: It would depart at 13:39 and arrive in Cambridge at 15:07. Sentence20: I have booked the train for you. The reference number is JN7FFTTY . Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: It looks like there are hourly trains starting at 5:09. Did you have a particular day and time in mind? Sentence2: Thanks for the help. Sentence3: Will you train arriving at 07:54 work ok for you? Sentence4: Yes I need it booked for 2 people please. Sentence5: Unfortunately, there are no other Italian restaurants in the east. Would you like me to find you one in another area? Sentence6: Is the pizza hut in the moderate price range? Sentence7: I've successfully booked 2 tickets for you, the reference number is 9FE8N16G . Sentence8: I am looking for an Italian restaurant in the east. Sentence9: Pizza hut fen ditton matches your description. Sentence10: I guess it'll have to do. Can you book us a table for 2 on Wednesday at 14:00 please? Sentence11: Uh, no pizza hut's please. Something more classy please. Sentence12: Absolutely! To start, let me get more details. What are your desired departure and arrival cities? Sentence13: Thanks so much! Can you help me with train tickets too? Sentence14: Yes, it is. Should I book it for you? Sentence15: Yes, I'd like to book the train for Wednesday and I want to arrive in Cambridge by 08:30. Sentence16: Booking was successful. The table will be reserved for 15 minutes.Reference number is : H4BTTI6P . Sentence17: The train should go to cambridge and should depart from leicester. Sentence18: Have a great day! Question: Who has spoken the sentence 7? (A) User (B) System

Answer: (B) System