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

Sentence1: Can I get the travel time and price on the 5:52 one? Sentence2: Tenpin is an entertainment attraction in the south part of town their phone number is 08715501010, and address is cambridge leisure park, clifton way Sentence3: I will need more information to narrow down the results. What day would you like to depart on, and what area is your departure from? Sentence4: Ok, and I also want to find out about an attraction called Tenpin please. Sentence5: TR5348 leaves Ely at 5:35 and arrives in Cambridge by 5:52. The price for a ticket is 4.40 pounds and the ride's duration is 17 minutes. Sentence6: Great, thank you. Sentence7: Departing fro Ely on Wednesday and arriving by 09:30. Sentence8: I'd like train information for cambridge. Sentence9: Thank you so much for the information Sentence10: There are two trains. One arriving at 5:52 and one at 7:52. Would you like me to book one of these for you? Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

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: There are 23 museums in cambridge. Are you interested in a particular type of one in a certain part of town? Sentence2: You're welcome, glad I could help. Sentence3: I would recommend TR4859 which leaves Cambridge at 15:59 and arrives at London Liverpool Street at 17:27. Sentence4: Great, thanks, that's all I need! Sentence5: Ok, lets get you set up, where are you going and on what day? Sentence6: You're all booked. TR4859 for 6 people will be 79.67 GBP. Your reference number is CTETVS75 . Is there anything else I can help you with today? Sentence7: I need a train to leave from cambridge after 15:30. Sentence8: That sounds fine. Can you reserve 6 tickets for me please? Sentence9: I am looking for places to go in town. The attraction should be in the type of museum Sentence10: It is located in the east and the postal code is cb13ef. Sentence11: That sounds great! What area and can I get the postcode? Sentence12: I am very partial to the Cambridge Artworks museum located at 5 greens road and admission is free. Does that sound good? Sentence13: Not really. Pick the best one for me! Sentence14: I will be leaving on saturday and going to london liverpool street. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System