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

Sentence1: Probably the emergency department, the phone number is 01223217118. Sentence2: Thank you for the information. Sentence3: Which department should I contact for a sprained ankle? Sentence4: Nope that is it. Thank you Sentence5: I want to find a hospital in town Sentence6: Thank you , could you provide me with the email address? Sentence7: Addenbrookes Hospital is located at Hills Rd, Cambridge. Is there a particular department you're looking for? Sentence8: You are very welcome. Is there anything else I can help you with today? Sentence9: You're welcome. Thank you for using our service. Sentence10: Unfortunately there isn't an email address listed here. Sentence11: The address is Hills Road, Cambridge. Sentence12: Can I have the address please. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: royal spice serves indian food in the cheap price range and is in the North part of town. Sentence2: royal spice's address is Victoria Avenue Chesterton Sentence3: What kind of food would like? Sentence4: Da vinci pizzeria serves Italian food in the cheap price range and is in the North part of town. Sentence5: Are there any other options? Sentence6: That sounds great. May I have their address please? Sentence7: I am looking for a cheap restaurant that is in the north part of town. Sentence8: enjoy! Sentence9: Thank you very much , bye bye Sentence10: Any Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Certainly I can help with that, will you destination be from allenbell? Sentence2: I have booked a taxi for you. A grey toyota with the contact number 07790143125. Is there anything else you need? Sentence3: Thank you, please enjoy your stay here in Cambridge. And have a wonderful day. Sentence4: Well, I also need to book a taxi. I want to leave the hotel by 19:30. Sentence5: I'm also looking for a museum in the east area. Can you help me find one? Sentence6: Yes! Can I have the postcode for it? Sentence7: It is a 4 star hotel that is cheap, and in the east of town. It is a guesthouse type and phone number is 01223210353. Sentence8: Can you give me some information on the Allenbell? It's a hotel. Sentence9: No. Thank you very much. Sentence10: I need it for 5 people and 5 nights starting from sunday. I will also need the reference number. Sentence11: Yes, the Cambridge Artworks is a wonderful museum in the east. Would you like more information? Sentence12: I want to go to the Cambridge Artworks. Sentence13: I have successfully booked it for you. Your reference number is I44610JK . Sentence14: Sure, the postcode for cambridge artworks is cb13ef. Do you need any more information? Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System