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: Can I get the travel time and price on the 5:52 one? Sentence2: Tenpin is an entertainment attraction in the south part of town their phone number is 08715501010, and address is cambridge leisure park, clifton way Sentence3: I will need more information to narrow down the results. What day would you like to depart on, and what area is your departure from? Sentence4: Ok, and I also want to find out about an attraction called Tenpin please. Sentence5: TR5348 leaves Ely at 5:35 and arrives in Cambridge by 5:52. The price for a ticket is 4.40 pounds and the ride's duration is 17 minutes. Sentence6: Great, thank you. Sentence7: Departing fro Ely on Wednesday and arriving by 09:30. Sentence8: I'd like train information for cambridge. Sentence9: Thank you so much for the information Sentence10: There are two trains. One arriving at 5:52 and one at 7:52. Would you like me to book one of these for you? Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: That is it. Thank you. Sentence2: There are no restaurants that fit your desired criteria. Is there another cuisine type or price range? Sentence3: European food that is moderately priced please. Sentence4: What is the address and postcode? Sentence5: I would like a moderately priced restaurant that serves english food Sentence6: galleria serves european food and is in the moderate price range. Would you like their location? Sentence7: The address for Galleria is 33 Bridge Street and the postcode is C.B 2, 1 U.W. Can I help you with anything else? Sentence8: thank you good bye Question: Who has spoken the sentence 4? (A) User (B) System

Answer: (A) User