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

Answer: Answer: (B) System

Question: Sentence1: Your reservation was successful and your reference number is UO8AN5FO . Is there anything else that I can help you with today? Sentence2: I am looking for the Alpha-Milton Guest house and would like to book it for 5 people for 2 nights starting Friday. Can you send me the reference please? Sentence3: That's all, thank you so much! Sentence4: Thank you for calling, enjoy! Goodbye. Sentence5: Sure, what is the name of the hotel? Sentence6: Hello. Can you help me in locating a certain hotel? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: no problem, its phone number is 01223 351707 and address is 20 Milton Road Chesterton. Sentence2: thank you, goodbye. Sentence3: Thank you. Good Bye. Sentence4: I'm not interested in that choise. Is there anything else within those categories? Sentence5: I would like the phone number and address of da vinci pizzeria Sentence6: I am looking for a cheap restaurant that is in the north part of town. Sentence7: how about da vinci pizzeria? a cheap italian place in the north ? Sentence8: Royal Spice is an Indian restaurant in the north part of town. It is in the cheap price range. Question: Who has spoken the sentence 7? (A) User (B) System

Answer:
Answer: (B) System