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

[EX Q]: Sentence1: I found the Cambridge Belfry. It is located in the west of town. Would you like me to book that for you? Sentence2: No, again, that is all, thank you. Sentence3: No, thanks. That will be all. Sentence4: Absolutely, the fitzwilliam museum's phone number is 01223332900. Is there anything else I can help you with today? Sentence5: Have a great day! Sentence6: The fitzwilliam sounds good. Could I get the phone number? Sentence7: Can I assist you with anything else today? Sentence8: There are 11 museums in the centre of town. A few are the regency gallery, the fitzwilliam museum, castle galleries, and primavera. Sentence9: I'm wanting information about museums in the centre of town. Sentence10: I'm also looking for a hotel that is cheap and includes free parking. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I'm departing from the oak bistro. Sentence2: I have the taxi ready for you Sentence3: I would like to leave after 17:00. Sentence4: Hi, I need a tax to queens' college please. Sentence5: What time would you like to leave? Sentence6: What is your departure site? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: There are three options to choose from. The Huntington Marriott Hotel, The Cambridge Belfry, and the University Arms Hotel. Which would you like? Sentence2: Let's go with Shiraz. I need a booking for 5 at 16:30 on saturday. Sentence3: Is it available on Saturday. Sentence4: I am also looking for a four star hotel. Sentence5: Thanks for all the help. That's all I needed today. Sentence6: How about alexander bed and breakfast? Sentence7: Yes. Please book it for 4 people and 5 nights beginning saturday Sentence8: I'm looking for an expensive restaurant in the centre Sentence9: Your table has been booked for 16:30 and will be reserved for 15 minutes. The reference number is VORP2NWK . What else can I do for you today? Sentence10: Which part of time would you like to stay in? Sentence11: Great. Is there one that serves mediterranean food? Sentence12: I want it to be a 4 star guesthouse with free parking and internet Sentence13: You are booked. The reference number is C9LRRET8 Sentence14: Maybe the centre near my restaurant. Sentence15: sure, i have 33 options for you Sentence16: I happen to have 2 great ones. La Mimosa is available, as well as the newer one called Shiraz Restaurant. Would you like more info on one of these? Sentence17: Thanks for contacting Cambridge TownInfo centre have a wonderful trip. Goodbye. Sentence18: Yes. Would you like me to book that for you? Sentence19: There are actually 16 guesthouses to choose from. Is there an area of the city that you prefer? Sentence20: Starting Saturday for 4 people for 5 nights. Question: Who has spoken the sentence 16? (A) User (B) System
[EX A]:
Answer: (A) User