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: Of course, the contact number is 07336173784. Is there anything else you need? Sentence2: Yes, the taxi will pick you up at 9:00. It is a yellow lexus. Sentence3: I'd be happy to help! Where are you coming from? Sentence4: Is 9:00 good? Do you think forty-five minutes is enough time to get to the college? Sentence5: Do you have a time you would like to leave by? Sentence6: The pickup location will be finches bed and breakfast Sentence7: I need a taxi to arrive by 09:45 Sentence8: You're welcome, have a great day. Sentence9: Ok, I will also need your destination for booking purposes. Sentence10: Great. Can I get a contact number? Sentence11: I will be traveling to sidney sussex college today. Sentence12: That's all thanks Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: You're welcome, have a great day! Sentence2: I can help you with that. where are you going? Sentence3: Your booking is complete. The taxi is a yellow Honda. Contact number 07024160438. Sentence4: Thank you for your help that is all I need today Sentence5: I am going to Cambridge Road Church of Christ. Sentence6: I need to book a taxi to come to Da Vinci Pizzeria by 01:45. Question: Who has spoken the sentence 5? (A) User (B) System

Answer: (B) System