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

[EX Q]: Sentence1: Yes I need a table for two. Sentence2: No there isn't. Sentence3: What day and time would you like the booking for? Sentence4: Zizzi Cambridge please Sentence5: I'm sorry could you confirm what restaurant you wanted to reserve a table for 2 at? Sentence6: That sounds good can you please give me the address and phone number? Sentence7: thanks for booking the reservation. Goodbye. Sentence8: How about this Tuesday at 17:00? I can check if they have any available tables. Sentence9: Sure thing! Zizzi Cambridge contact info: Phone: 01223365599 Postcode: cb21ab Address: 47-53 Regent Street. Would you like me to make a reservation there? Sentence10: Sure that sounds good. Sentence11: There are 5 cheap Italian restaurants. Is there a particular area you're interested in? Sentence12: Hello I am looking for a restaurant that serves Italian food and I need it to be cheap. Sentence13: How about something local, such as Zizzi Cambridge? It's located at the centre. Sentence14: I don't know. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Are there any that serve north american food? Sentence2: yes. please book for me a table for thee tommorow diner at 8 pm Sentence3: There phone number is 01223312598. Is there anything else I can assist you with? Sentence4: Yes, there is gourmet burger kitchen. It is an expensive restaurant. Would you like me to book it for you? Sentence5: Yes, the University Arms Hotel is located in the centre area and is on Regent Street. Would you like me to book a room for you? Sentence6: Okay can you also help me with a restaurant that serves Cantonese food in the city center? Sentence7: I just need their phone number. Sentence8: I need information on the university arms hotel. Sentence9: No I am good for now, thanks for all of your help. Sentence10: I need more info. Does the hotel have free parking and what is the price range? Sentence11: There aren't any restaurants in the city centre that serves Cantonese food. Would you like to try a different type of cuisine or try a different area? Sentence12: Thank you for contacting us and have a nice day. Sentence13: You asked about a hotel. Would you like to book a room or would you like me to help find a restaurant? Sentence14: It is in the expensive price range, but it does have free internet and free parking. Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: No, I am not sure I am traveling just yet. Thanks for the information, I am all set for now. Have a nice day. Sentence2: Sure, where will you be boarding and what day would you like to leave? Sentence3: Okay, is there anything else I can help you with? Sentence4: I will board at King's Lynn, before 13:30 on Tuesday. Sentence5: No. Goodbye. Sentence6: I would like the train that arrives closest to 13:30 please. I will also need the departure time. Sentence7: I have 8 routes which will arrive in Cambridge by 13:30. They leave hourly on the :11 from 05:11 to 12:11, lasting 47 minutes. Would you like to book? Sentence8: Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence9: TR8699 departs Tuesday at 12:11 and arrives in Cambridge at 12:58. Would you like to book it? Sentence10: I need a train to Cambridge. Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]:
Answer: (B) System