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

Sentence1: Of course. The restaurant is on 152 - 154 Hills Road and their phone number is 01223413000. Sentence2: What other restaurants are in the same area and price range? Sentence3: I'm sorry. That booking was not available. Would you like to find another restaurant? Sentence4: No, could you just book a table for 3? I'd like it for Wednesday at 12:15. Sentence5: That sounds good book it for 3 on wednesday at 12:15 please and I'll need the reference number too Sentence6: Thank you and you too. Sentence7: Yes can I have the address and phone number please? Sentence8: I'm sure we can. Cambridge offers 31 moderately priced restaurants. What sort of cuisine would you like? Sentence9: There is the restaurant alimentum that serves modern european food? Sentence10: Great, that's all I needed. Have a lovely day. Sentence11: I have made a reservation for you at the restaurant alimentum on Wednesday at 12:15 for 3 people. Your reference number is LX2XAAF4 . Would you like their address? Sentence12: I would prefer Italian and it has to be in the south. Sentence13: Hi! Can you find me a moderately priced restaurant for my girlfriend and I? Sentence14: I found one restaurant with those credentials, it's Pizza Hut Cherry Hinton, would you like the address? Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: I have 5 optionsd available,all have WiFi Sentence2: Do you know if any of them offer free wifi? Sentence3: Sure! We have 18 4 star guesthouses, would you like a specific part of town or price range? Sentence4: I'm needing a 4 star guest house today. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: The huntingdon marriott hotel fits your criteria. Shall I book a room for you? Sentence2: There will be 2 people and a total of 4 nights stay starting from tuesday. Sentence3: Okay glad I could be of help. Sentence4: Ok for how many people and how long is your stay going to be? Sentence5: Do you have a price range or a specific area? Sentence6: Thank you. That's everything I need. Sentence7: Yes, as long as the hotel is in the expensive price range, please try booking it. Sentence8: Yes please for this weekend.Thank You. Sentence9: I would like to be in the west, and it would be great if it was an expensive hotel. Sentence10: I was able to book University Arms Hotel, reference number is PFYQXYLU Sentence11: Hi I'm looking for a hotel in the are that includes free wifi. Sentence12: Booking was unsuccessful would you like to try another place? Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User