Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: There are three expensive European restaurants in the Centre area. Would you like to know the name and address of each location? Sentence2: Absolutely. Your reference number is FXDNF0IU . What else can I help you with? Sentence3: Can I have the reference number please? Sentence4: I would like the hotel for two nights, starting on Thursday. Sentence5: Hi! Are there any European restaurants in the center of town? Sentence6: Yes, there are 8 results for European restaurants in town centre, what price range are you looking for? Sentence7: Very, very insanely expensive, money is no object. Sentence8: Yes, I need a hotel for 4 people with free parking in the expensive price range, for 2 nights Sentence9: You are booked at the Gonville Hotel your reference number is LIA4E1ME . Can I help you with anything else? Sentence10: If you need anything else, please contact us with your needs. Sentence11: Thank you for using our service. Have a great night. Goodbye. Sentence12: Success! We've booked your reservation Sentence13: Yes thank you Sentence14: No, that is all. Thank you so much for the assistance. Sentence15: Eraina is at Free School Lane CIty Centre, phone #01223368786. Would you like me to make a reservation? Sentence16: Yes, I need a reservation on Thursday at 16:30 for 4 people. Sentence17: That is all. Thanks so much for your help! Sentence18: And what day would you like the reservation for? Sentence19: A hotel and should include free parking, in the expensive price range,for same group for 2 nights Sentence20: Is there anything else I can help you with? Question: Who has spoken the sentence 17? (A) User (B) System
A:
Answer: (B) System