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

[Q]: Sentence1: The area doesn't matter. I would like free wifi though, if possible. Sentence2: Not really, how about 4 star? Sentence3: Do they also have free parking? Sentence4: I have many options. Do you have a preference for the area you would like to stay in. Sentence5: There are several moderate 4-star places to stay throughout town, but they are all guesthouses. Would a guesthouse work for you? Sentence6: acorn guest house does have free parking,would you like that one? Sentence7: Dojo Noodle Bar is a nice cn I book you a table ? Sentence8: I'm looking for a moderately priced, 1-star place to stay. Sentence9: No, I don't need a hotel booking at this time. I'd like to find a place to dine on Sunday. Sentence10: Unfortunately we do not have any moderately priced 1 star hotels in Cambridge. I'm sorry! Cityroomz has 0 stars in the centre, does that work? Sentence11: Would you like me to reserve the acorn guest house for you? Sentence12: Yes. I also need to find a place to dine that is in the center and the same price range as the hotel. Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: There are more than one hundred entries that match your requirements. What type of food do you prefer? Sentence2: I'm positive. There are however three hotels that have four stars that have free wifi, if you would like to view those options. Sentence3: A 4 star rating is fine, what do you have for that? Sentence4: The only French restaurant that fits your criteria is called Cote. They do not have any availability for Wednesday at 12:30. Sentence5: My pleasure. Have a great day! Sentence6: Wonderful! That's all I need. Thank you very much for your help! Sentence7: I prefer French Cuisine, can you find somewhere that will take reservations for 3 people at 12:30 on wednesday? Sentence8: Are you sure? I would prefer a 5 star hotel with free wifi. Sentence9: I have two in the west area and one in the centre area. Do you have a preference? Sentence10: Thanks I also need to find a hotel with a 5 star rating. Sentence11: Are there any expensive places to eat in the centre? Sentence12: That was a success. Your reference number is 2GY5ULLL . Sentence13: Can you try for 11:30 and give me a reference number please. Sentence14: The booking for the University Arms Hotel was successful, and your reference number is 414HUS87 . Sentence15: Unfortunately, I do not show any 5 star hotels. Would you like to try a different rating? Sentence16: The one in the centre area is fine. Can you please book it for 3 people, starting on Wednesday for 4 nights and can I please have the reference number? Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: We have many trains that meet your request, do you have a departure or destination in mind? Sentence2: TR5693 meets all your criteria and arrives by 10:35. Will that work for you? Sentence3: Yes, I need to get to Cambridge. I'll be leaving Norwich. Sentence4: That is all for now. Thank you. Sentence5: I'm looking for a train that leaves on saturday and arrives by 19:00. Sentence6: There is a train on saturday that leaves at 8:16am. Shall I book it? Sentence7: It will be on Saturday as well. Sentence8: No thanks. I'm looking for a place to stay too. Sentence9: Booking was successful. Reference number is : 8XPJYIR0 . Is there anything else I can help you with? Sentence10: What time does that train arrive in Cambridge? That seems terribly early. I just need to be there by 19:00. Sentence11: The train should depart from norwich and should go to cambridge. Sentence12: That sounds good. What's the travel duration on that one? Sentence13: I'd like it to be moderate, any will do. And I'd like to book it for 5 people and 4 nights, starting on the same day. Sentence14: Starting what day? Sentence15: I have the avalon guesthouse in the north area. Would you like that one booked? Sentence16: No problem at all, have a great day. Sentence17: Yes please, for 5 people and 4 nights. Can I please get the reference number too? Sentence18: It is 79 minutes. Sentence19: I can definitely help with that. First of all, may I ask where you will be leaving from and heading to? Sentence20: Okay. Can you help me find a place to stay? I would like it to be 4 stars and I don't need it to have free parking. Sentence21: The train arrives in Cambridge at 9:35. Would you like me to book that for you? Sentence22: There are a lot of options to choose from. Do you know what part of town you'd like? In the north I can recommend Arbury Lodge Guesthouse. Question: Who has spoken the sentence 20? (A) User (B) System
[A]:
Answer: (A) User