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: Two for the same day. I need a taxi to commute between the two places to be sure it arrives by the booked time. The contact number and car type? Sentence2: I was able to book your table. Your reference number is : OSAGFN8W . Sentence3: Yes, that is correct. Is there anything else I can help you with? Sentence4: i am looking for information in Cambridge. A a place to dine. Sentence5: How many people will be staying with you and what day would you like to reserve your hotel room? Sentence6: book the one in the centre a table for 2 at 13:45 on thursday Sentence7: which side of town and what is the price range? Sentence8: There are 21 great places to choose from. Do you have a certain type of restaurant you are looking for? Perhaps Italian or European? Sentence9: Thank you. I will also need a hotel in that same area. Please, no guesthouses! Sentence10: Cityroomz has a 0 star rating with free internet, but does not provide parking. Would you like to make a reservation? Sentence11: I have the hotel and the taxi already? Sentence12: Yes, please. For 2 nights. Sentence13: you too have a great day Sentence14: Thanks, Those are all i need for today. Sentence15: Thank you so much. Sentence16: Let me know about your Italian restaurants. Sentence17: I want to eat Thai food. Sentence18: There are 3 options for hotels in the centre. There is one 0 star, one 3 star and one 4 star option. Which would you prefer? Sentence19: Your room is booked, ref #DOSETWFU, and a red Audi will pick you up and get you to the restaurant for that reservation. Contact number 07840525996. Sentence20: There aren't any Thai restaurants in that price range in the centre of town. Would you like to try something else? Sentence21: Moderately priced, in the centre of town. Sentence22: I want the place with 0 stars. Sentence23: You're welcome. Have a great day. Sentence24: Okay, I found two options for you: Pizza Express and Pizza Express Fen Ditton. Do either of those appeal to you? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: Sure, i can help you with that. Where will you be departing from? Sentence2: Okay, and what is your destination? Sentence3: I want to leave from the train station. Sentence4: i want to book a taxi. Sentence5: Can you tell me what time you would like to leave? Sentence6: Got it, your booking has been completed! Look out for a blue tesla, contact number 07520411520. May I assist with anything else? Sentence7: I want to leave london kings cross train station after 02:00 Sentence8: I have booked you a white ford. The contact number is 07064257037 Sentence9: Oh, I'm sorry I need to get to gallery at twelve a high street. Sentence10: It's called gallery at twelve a high street. Sentence11: I'm sorry, I don't understand. What is the gallery name you want to travel too? Sentence12: Reservation reserved, let me know if you need any more assistance with anything else. Sentence13: Perfect!! Thank you for all your help. Sentence14: That will be all. Thank you. Question: Who has spoken the sentence 7? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: I would like to find a cheap restaurant in the centre. Sentence2: What day and time would you like ? Sentence3: The address is The Old Pumping Station, Cheddars Lane. Is there anything else I can help you with today? Sentence4: That was everything I needed, thank you! Sentence5: How about Asian Oriental? Sentence6: I'm glad I could be of assistance. Sentence7: Do you need anymore information? Sentence8: I need to reserve it on Monday at 14:00. There will be 2 people dining. Sentence9: There are quite a few options in that price range and area. What kind of food are you interested in? Sentence10: Sure, thank you! Will you please book a table for 2 people? Sentence11: No, you took care of it all. You were very helpful. Have a great night! Goodbye. Sentence12: Thank you so much. Could you also get me the address for the Cambridge Museum of Technology? Sentence13: Hey I've found dojo noodle bar, how does that sound? Sentence14: Booking was successful. The table will be reserved for 15 minutes. Reference number is : SBH0ATGU . Anything else I can do for you? Question: Who has spoken the sentence 9? (A) User (B) System

Answer:
Answer: (B) System